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2 definitions found
 for To turn over a new leaf
From The Collaborative International Dictionary of English v.0.48 :

  Leaf \Leaf\ (l[=e]f), n.; pl. Leaves (l[=e]vz). [OE. leef,
     lef, leaf, AS. le['a]f; akin to S. l[=o]f, OFries. laf, D.
     loof foliage, G. laub, OHG. loub leaf, foliage, Icel. lauf,
     Sw. l["o]f, Dan. l["o]v, Goth. laufs; cf. Lith. lapas. Cf.
     Lodge.]
     1. (Bot.) A colored, usually green, expansion growing from
        the side of a stem or rootstock, in which the sap for the
        use of the plant is elaborated under the influence of
        light; one of the parts of a plant which collectively
        constitute its foliage.
        [1913 Webster]
  
     Note: Such leaves usually consist of a blade, or lamina,
           supported upon a leafstalk or petiole, which, continued
           through the blade as the midrib, gives off woody ribs
           and veins that support the cellular texture. The
           petiole has usually some sort of an appendage on each
           side of its base, which is called the stipule. The
           green parenchyma of the leaf is covered with a thin
           epiderm pierced with closable microscopic openings,
           known as stomata.
           [1913 Webster]
  
     2. (Bot.) A special organ of vegetation in the form of a
        lateral outgrowth from the stem, whether appearing as a
        part of the foliage, or as a cotyledon, a scale, a bract,
        a spine, or a tendril.
        [1913 Webster]
  
     Note: In this view every part of a plant, except the root and
           the stem, is either a leaf, or is composed of leaves
           more or less modified and transformed.
           [1913 Webster]
  
     3. Something which is like a leaf in being wide and thin and
        having a flat surface, or in being attached to a larger
        body by one edge or end; as:
        (a) A part of a book or folded sheet containing two pages
            upon its opposite sides.
        (b) A side, division, or part, that slides or is hinged,
            as of window shutters, folding doors, etc.
        (c) The movable side of a table.
        (d) A very thin plate; as, gold leaf.
        (e) A portion of fat lying in a separate fold or layer.
        (f) One of the teeth of a pinion, especially when small.
            [1913 Webster]
  
     Leaf beetle (Zool.), any beetle which feeds upon leaves;
        esp., any species of the family Chrysomelid[ae], as the
        potato beetle and helmet beetle.
  
     Leaf bridge, a draw-bridge having a platform or leaf which
        swings vertically on hinges.
  
     Leaf bud (Bot.), a bud which develops into leaves or a
        leafy branch.
  
     Leaf butterfly (Zool.), any butterfly which, in the form
        and colors of its wings, resembles the leaves of plants
        upon which it rests; esp., butterflies of the genus
        Kallima, found in Southern Asia and the East Indies.
  
     Leaf+crumpler+(Zool.),+a+small+moth+({Phycis+indigenella">Leaf crumpler (Zool.), a small moth ({Phycis indigenella),
        the larva of which feeds upon leaves of the apple tree,
        and forms its nest by crumpling and fastening leaves
        together in clusters.
  
     Leaf fat, the fat which lies in leaves or layers within the
        body of an animal.
  
     Leaf flea (Zool.), a jumping plant louse of the family
        Psyllid[ae].
  
     Leaf frog (Zool.), any tree frog of the genus
        Phyllomedusa.
  
     Leaf green.(Bot.) See Chlorophyll.
  
     Leaf hopper (Zool.), any small jumping hemipterous insect
        of the genus Tettigonia, and allied genera. They live
        upon the leaves and twigs of plants. See Live hopper.
  
     Leaf insect (Zool.), any one of several genera and species
        of orthopterous insects, esp. of the genus Phyllium, in
        which the wings, and sometimes the legs, resemble leaves
        in color and form. They are common in Southern Asia and
        the East Indies.
  
     Leaf lard, lard from leaf fat. See under Lard.
  
     Leaf louse (Zool.), an aphid.
  
     Leaf metal, metal in thin leaves, as gold, silver, or tin.
        
  
     Leaf miner (Zool.), any one of various small lepidopterous
        and dipterous insects, which, in the larval stages, burrow
        in and eat the parenchyma of leaves; as, the pear-tree
        leaf miner ({Lithocolletis geminatella).
  
     Leaf notcher (Zool.), a pale bluish green beetle ({Artipus
        Floridanus), which, in Florida, eats the edges of the
        leaves of orange trees.
  
     Leaf roller (Zool.), See leaf roller in the vocabulary.
        
  
     Leaf scar (Bot.), the cicatrix on a stem whence a leaf has
        fallen.
  
     Leaf sewer (Zool.), a tortricid moth, whose caterpillar
        makes a nest by rolling up a leaf and fastening the edges
        together with silk, as if sewn; esp., Phoxopteris
        nubeculana, which feeds upon the apple tree.
  
     Leaf sight, a hinged sight on a firearm, which can be
        raised or folded down.
  
     Leaf trace (Bot.), one or more fibrovascular bundles, which
        may be traced down an endogenous stem from the base of a
        leaf.
  
     Leaf tier (Zool.), a tortricid moth whose larva makes a
        nest by fastening the edges of a leaf together with silk;
        esp., Teras cinderella, found on the apple tree.
  
     Leaf valve, a valve which moves on a hinge.
  
     Leaf wasp (Zool.), a sawfly.
  
     To turn over a new leaf, to make a radical change for the
        better in one's way of living or doing. [Colloq.]
        [1913 Webster]
  
              They were both determined to turn over a new leaf.
                                                    --Richardson.
        [1913 Webster] Leaf

From The Collaborative International Dictionary of English v.0.48 :

  Turn \Turn\ (t[^u]rn), v. t. [imp. & p. p. Turned (t[^u]rnd);
     p. pr. & vb. n. Turning.] [OE. turnen, tournen, OF.
     tourner, torner, turner, F. tourner, LL. tornare, fr. L.
     tornare to turn in a lathe, to round off, fr. tornus a lathe,
     Gr. to`rnos a turner's chisel, a carpenter's tool for drawing
     circles; probably akin to E. throw. See Throw, and cf.
     Attorney, Return, Tornado, Tour, Tournament.]
     1. To cause to move upon a center, or as if upon a center; to
        give circular motion to; to cause to revolve; to cause to
        move round, either partially, wholly, or repeatedly; to
        make to change position so as to present other sides in
        given directions; to make to face otherwise; as, to turn a
        wheel or a spindle; to turn the body or the head.
        [1913 Webster]
  
              Turn the adamantine spindle round.    --Milton.
        [1913 Webster]
  
              The monarch turns him to his royal guest. --Pope.
        [1913 Webster]
  
     2. To cause to present a different side uppermost or outmost;
        to make the upper side the lower, or the inside to be the
        outside of; to reverse the position of; as, to turn a box
        or a board; to turn a coat.
        [1913 Webster]
  
     3. To give another direction, tendency, or inclination to; to
        direct otherwise; to deflect; to incline differently; --
        used both literally and figuratively; as, to turn the eyes
        to the heavens; to turn a horse from the road, or a ship
        from her course; to turn the attention to or from
        something. "Expert when to advance, or stand, or, turn the
        sway of battle." --Milton.
        [1913 Webster]
  
              Thrice I deluded her, and turned to sport
              Her importunity.                      --Milton.
        [1913 Webster]
  
              My thoughts are turned on peace.      --Addison.
        [1913 Webster]
  
     4. To change from a given use or office; to divert, as to
        another purpose or end; to transfer; to use or employ; to
        apply; to devote.
        [1913 Webster]
  
              Therefore he slew him, and turned the kingdom unto
              David.                                --1 Chron. x.
                                                    14.
        [1913 Webster]
  
              God will make these evils the occasion of a greater
              good, by turning them to advantage in this world.
                                                    --Tillotson.
        [1913 Webster]
  
              When the passage is open, land will be turned most
              to cattle; when shut, to sheep.       --Sir W.
                                                    Temple.
        [1913 Webster]
  
     5. To change the form, quality, aspect, or effect of; to
        alter; to metamorphose; to convert; to transform; -- often
        with to or into before the word denoting the effect or
        product of the change; as, to turn a worm into a winged
        insect; to turn green to blue; to turn prose into verse;
        to turn a Whig to a Tory, or a Hindu to a Christian; to
        turn good to evil, and the like.
        [1913 Webster]
  
              The Lord thy God will turn thy captivity, and have
              compassion upon thee.                 --Deut. xxx.
                                                    3.
        [1913 Webster]
  
              And David said, O Lord, I pray thee, turn the
              counsel of Ahithophel into foolishness. --2 Sam. xv.
                                                    31.
        [1913 Webster]
  
              Impatience turns an ague into a fever. --Jer.
                                                    Taylor.
        [1913 Webster]
  
     6. To form in a lathe; to shape or fashion (anything) by
        applying a cutting tool to it while revolving; as, to turn
        the legs of stools or tables; to turn ivory or metal.
        [1913 Webster]
  
              I had rather hear a brazen canstick turned. --Shak.
        [1913 Webster]
  
     7. Hence, to give form to; to shape; to mold; to put in
        proper condition; to adapt. "The poet's pen turns them to
        shapes." --Shak.
        [1913 Webster]
  
              His limbs how turned, how broad his shoulders spread
              !                                     --Pope.
        [1913 Webster]
  
              He was perfectly well turned for trade. --Addison.
        [1913 Webster]
  
     8. Specifically:
        (a) To translate; to construe; as, to turn the Iliad.
            [1913 Webster]
  
                  Who turns a Persian tale for half a crown.
                                                    --Pope.
            [1913 Webster]
        (b) To make acid or sour; to ferment; to curdle, etc.: as,
            to turn cider or wine; electricity turns milk quickly.
            [1913 Webster]
        (c) To sicken; to nauseate; as, an emetic turns one's
            stomach.
            [1913 Webster]
  
     9. To make a turn about or around (something); to go or pass
        around by turning; as, to turn a corner.
  
              The ranges are not high or steep, and one can turn a
              kopje instead of cutting or tunneling through it.
                                                    --James Bryce.
  
     To be turned of, to be advanced beyond; as, to be turned of
        sixty-six.
  
     To turn a cold shoulder to, to treat with neglect or
        indifference.
  
     To turn a corner,
        (a) to go round a corner.
        (b) [Fig.] To advance beyond a difficult stage in a
            project, or in life.
  
     To turn adrift, to cast off, to cease to care for.
  
     To turn a flange (Mech.), to form a flange on, as around a
        metal sheet or boiler plate, by stretching, bending, and
        hammering, or rolling the metal.
  
     To turn against.
        (a) To direct against; as, to turn one's arguments against
            himself.
        (b) To make unfavorable or hostile to; as, to turn one's
            friends against him.
  
     To turn a hostile army, To turn the enemy's flank, or the
        like (Mil.), to pass round it, and take a position behind
        it or upon its side.
  
     To turn a penny, or To turn an honest penny, to make a
        small profit by trade, or the like.
  
     To turn around one's finger, to have complete control of
        the will and actions of; to be able to influence at
        pleasure.
  
     To turn aside, to avert.
  
     To turn away.
        (a) To dismiss from service; to discard; as, to turn away
            a servant.
        (b) To avert; as, to turn away wrath or evil.
  
     To turn back.
        (a) To give back; to return.
            [1913 Webster]
  
                  We turn not back the silks upon the merchants,
                  When we have soiled them.         --Shak.
            [1913 Webster]
        (b) To cause to return or retrace one's steps; hence, to
            drive away; to repel. --Shak.
  
     To turn down.
        (a) To fold or double down.
        (b) To turn over so as to conceal the face of; as, to turn
            down cards.
        (c) To lower, or reduce in size, by turning a valve,
            stopcock, or the like; as, turn down the lights.
  
     To turn in.
        (a) To fold or double under; as, to turn in the edge of
            cloth.
        (b) To direct inwards; as, to turn the toes in when
            walking.
        (c) To contribute; to deliver up; as, he turned in a large
            amount. [Colloq.]
  
     To turn in the mind, to revolve, ponder, or meditate upon;
        -- with about, over, etc. " Turn these ideas about in your
        mind." --I. Watts.
  
     To turn off.
        (a) To dismiss contemptuously; as, to turn off a sycophant
            or a parasite.
        (b) To give over; to reduce.
        (c) To divert; to deflect; as, to turn off the thoughts
            from serious subjects; to turn off a joke.
        (d) To accomplish; to perform, as work.
        (e) (Mech.) To remove, as a surface, by the process of
            turning; to reduce in size by turning.
        (f) To shut off, as a fluid, by means of a valve,
            stopcock, or other device; to stop the passage of; as,
            to turn off the water or the gas.
  
     To turn one's coat, to change one's uniform or colors; to
        go over to the opposite party.
  
     To turn one's goods or To turn one's money, and the like,
        to exchange in the course of trade; to keep in lively
        exchange or circulation; to gain or increase in trade.
  
     To turn one's hand to, to adapt or apply one's self to; to
        engage in.
  
     To turn out.
        (a) To drive out; to expel; as, to turn a family out of
            doors; to turn a man out of office.
            [1913 Webster]
  
                  I'll turn you out of my kingdom.  -- Shak.
            [1913 Webster]
        (b) to put to pasture, as cattle or horses.
        (c) To produce, as the result of labor, or any process of
            manufacture; to furnish in a completed state.
        (d) To reverse, as a pocket, bag, etc., so as to bring the
            inside to the outside; hence, to produce.
        (e) To cause to cease, or to put out, by turning a
            stopcock, valve, or the like; as, to turn out the
            lights.
  
     To turn over.
        (a) To change or reverse the position of; to overset; to
            overturn; to cause to roll over.
        (b) To transfer; as, to turn over business to another
            hand.
        (c) To read or examine, as a book, while, turning the
            leaves. "We turned o'er many books together." --Shak.
        (d) To handle in business; to do business to the amount
            of; as, he turns over millions a year. [Colloq.]
  
     To turn over a new leaf. See under Leaf.
  
     To turn tail, to run away; to retreat ignominiously.
  
     To turn the back, to flee; to retreat.
  
     To turn the back on or
  
     To turn the back upon, to treat with contempt; to reject or
        refuse unceremoniously.
  
     To turn the corner, to pass the critical stage; to get by
        the worst point; hence, to begin to improve, or to
        succeed.
  
     To turn the die or To turn the dice, to change fortune.
        
  
     To turn the edge of or To turn the point of, to bend over
        the edge or point of so as to make dull; to blunt.
  
     To turn the head of or To turn the brain of, to make
        giddy, wild, insane, or the like; to infatuate; to
        overthrow the reason or judgment of; as, a little success
        turned his head.
  
     To turn the scale or To turn the balance, to change the
        preponderance; to decide or determine something doubtful;
        to tip the balance.
  
     To turn the stomach of, to nauseate; to sicken.
  
     To turn the tables, to reverse the chances or conditions of
        success or superiority; to give the advantage to the
        person or side previously at a disadvantage.
  
     To turn tippet, to make a change. [Obs.] --B. Jonson.
  
     To turn to profit, To turn to advantage, etc., to make
        profitable or advantageous.
  
     To turn turtle, to capsize bottom upward; -- said of a
        vessel. [Naut. slang]
  
     To turn under (Agric.), to put, as soil, manure, etc.,
        underneath from the surface by plowing, digging, or the
        like.
  
     To turn up.
        (a) To turn so as to bring the bottom side on top; as, to
            turn up the trump.
        (b) To bring from beneath to the surface, as in plowing,
            digging, etc.
        (c) To give an upward curve to; to tilt; as, to turn up
            the nose.
  
     To turn upon, to retort; to throw back; as, to turn the
        arguments of an opponent upon himself.
  
     To turn upside down, to confuse by putting things awry; to
        throw into disorder.
        [1913 Webster]
  
              This house is turned upside down since Robin Ostler
              died.                                 --Shak.
        [1913 Webster]

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