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2 definitions found
 for lever watch
From The Collaborative International Dictionary of English v.0.48 :

  Lever \Le"ver\ (l[=e]"v[~e]r or l[e^]v"[~e]r; 277), n. [OE.
     levour, OF. leveor, prop., a lifter, fr. F. lever to raise,
     L. levare; akin to levis light in weight, E. levity, and
     perh. to E. light not heavy: cf. F. levier. Cf. Alleviate,
     Elevate, Leaven, Legerdemain, Levee, Levy, n.]
     1. (Mech.) A rigid piece which is capable of turning about
        one point, or axis (the fulcrum), and in which are two or
        more other points where forces are applied; -- used for
        transmitting and modifying force and motion. Specif., a
        bar of metal, wood, or other rigid substance, used to
        exert a pressure, or sustain a weight, at one point of its
        length, by receiving a force or power at a second, and
        turning at a third on a fixed point called a fulcrum. It
        is usually named as the first of the six mechanical
        powers, and is of three kinds, according as either the
        fulcrum F, the weight W, or the power P, respectively, is
        situated between the other two, as in the figures.
        [1913 Webster]
  
     2. (Mach.)
        (a) A bar, as a capstan bar, applied to a rotatory piece
            to turn it.
        (b) An arm on a rock shaft, to give motion to the shaft or
            to obtain motion from it.
            [1913 Webster]
  
     Compound lever, a machine consisting of two or more levers
        acting upon each other.
  
     Lever escapement. See Escapement.
  
     Lever jack. See Jack, n., 5.
  
     Lever watch, a watch having a vibrating lever to connect
        the action of the escape wheel with that of the balance.
        
  
     Universal lever, a machine formed by a combination of a
        lever with the wheel and axle, in such a manner as to
        convert the reciprocating motion of the lever into a
        continued rectilinear motion of some body to which the
        power is applied.
        [1913 Webster]

From The Collaborative International Dictionary of English v.0.48 :

  Watch \Watch\ (w[o^]ch), n. [OE. wacche, AS. w[ae]cce, fr.
     wacian to wake; akin to D. wacht, waak, G. wacht, wache.
     [root]134. See Wake, v. i. ]
     [1913 Webster]
     1. The act of watching; forbearance of sleep; vigil; wakeful,
        vigilant, or constantly observant attention; close
        observation; guard; preservative or preventive vigilance;
        formerly, a watching or guarding by night.
        [1913 Webster]
  
              Shepherds keeping watch by night.     --Milton.
        [1913 Webster]
  
              All the long night their mournful watch they keep.
                                                    --Addison.
        [1913 Webster]
  
     Note: Watch was formerly distinguished from ward, the former
           signifying a watching or guarding by night, and the
           latter a watching, guarding, or protecting by day
           Hence, they were not unfrequently used together,
           especially in the phrase to keep watch and ward, to
           denote continuous and uninterrupted vigilance or
           protection, or both watching and guarding. This
           distinction is now rarely recognized, watch being used
           to signify a watching or guarding both by night and by
           day, and ward, which is now rarely used, having simply
           the meaning of guard, or protection, without reference
           to time.
           [1913 Webster]
  
                 Still, when she slept, he kept both watch and
                 ward.                              --Spenser.
           [1913 Webster]
  
                 Ward, guard, or custodia, is chiefly applied to
                 the daytime, in order to apprehend rioters, and
                 robbers on the highway . . . Watch, is properly
                 applicable to the night only, . . . and it begins
                 when ward ends, and ends when that begins.
                                                    --Blackstone.
           [1913 Webster]
  
     2. One who watches, or those who watch; a watchman, or a body
        of watchmen; a sentry; a guard.
        [1913 Webster]
  
              Pilate said unto them, Ye have a watch; go your way,
              make it as sure as ye can.            --Matt. xxvii.
                                                    65.
        [1913 Webster]
  
     3. The post or office of a watchman; also, the place where a
        watchman is posted, or where a guard is kept.
        [1913 Webster]
  
              He upbraids Iago, that he made him
              Brave me upon the watch.              --Shak.
        [1913 Webster]
  
     4. The period of the night during which a person does duty as
        a sentinel, or guard; the time from the placing of a
        sentinel till his relief; hence, a division of the night.
        [1913 Webster]
  
              I did stand my watch upon the hill.   --Shak.
        [1913 Webster]
  
              Might we but hear . . .
              Or whistle from the lodge, or village cock
              Count the night watches to his feathery dames.
                                                    --Milton.
        [1913 Webster]
  
     5. A small timepiece, or chronometer, to be carried about the
        person, the machinery of which is moved by a spring.
        [1913 Webster]
  
     Note: Watches are often distinguished by the kind of
           escapement used, as an anchor watch, a lever watch,
           a chronometer watch, etc. (see the Note under
           Escapement, n., 3); also, by the kind of case, as a
           gold or silver watch, an open-faced watch, a
           hunting watch, or hunter, etc.
           [1913 Webster]
  
     6. (Naut.)
        (a) An allotted portion of time, usually four hour for
            standing watch, or being on deck ready for duty. Cf.
            Dogwatch.
        (b) That part, usually one half, of the officers and crew,
            who together attend to the working of a vessel for an
            allotted time, usually four hours. The watches are
            designated as the port watch, and the starboard
            watch.
            [1913 Webster]
  
     Anchor watch (Naut.), a detail of one or more men who keep
        watch on deck when a vessel is at anchor.
  
     To be on the watch, to be looking steadily for some event.
        
  
     Watch and ward (Law), the charge or care of certain
        officers to keep a watch by night and a guard by day in
        towns, cities, and other districts, for the preservation
        of the public peace. --Wharton. --Burrill.
  
     Watch and watch (Naut.), the regular alternation in being
        on watch and off watch of the two watches into which a
        ship's crew is commonly divided.
  
     Watch barrel, the brass box in a watch, containing the
        mainspring.
  
     Watch bell (Naut.), a bell struck when the half-hour glass
        is run out, or at the end of each half hour. --Craig.
  
     Watch bill (Naut.), a list of the officers and crew of a
        ship as divided into watches, with their stations.
        --Totten.
  
     Watch case, the case, or outside covering, of a watch;
        also, a case for holding a watch, or in which it is kept.
        
  
     Watch chain. Same as watch guard, below.
  
     Watch clock, a watchman's clock; see under Watchman.
  
     Watch fire, a fire lighted at night, as a signal, or for
        the use of a watch or guard.
  
     Watch glass.
        (a) A concavo-convex glass for covering the face, or dial,
            of a watch; -- also called watch crystal.
        (b) (Naut.) A half-hour glass used to measure the time of
            a watch on deck.
  
     Watch guard, a chain or cord by which a watch is attached
        to the person.
  
     Watch gun (Naut.), a gun sometimes fired on shipboard at 8
        p. m., when the night watch begins.
  
     Watch light, a low-burning lamp used by watchers at night;
        formerly, a candle having a rush wick.
  
     Watch night, The last night of the year; -- so called by
        the Methodists, Moravians, and others, who observe it by
        holding religious meetings lasting until after midnight.
        
  
     Watch paper, an old-fashioned ornament for the inside of a
        watch case, made of paper cut in some fanciful design, as
        a vase with flowers, etc.
  
     Watch tackle (Naut.), a small, handy purchase, consisting
        of a tailed double block, and a single block with a hook.
        [1913 Webster]

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