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1 definition found
 for Rock trout
From The Collaborative International Dictionary of English v.0.48 :

  Rock \Rock\, n. [OF. roke, F. roche; cf. Armor. roc'h, and AS.
     rocc.]
     1. A large concreted mass of stony material; a large fixed
        stone or crag. See Stone.
        [1913 Webster]
  
              Come one, come all! this rock shall fly
              From its firm base as soon as I.      --Sir W.
                                                    Scott.
        [1913 Webster]
  
     2. (Geol.) Any natural deposit forming a part of the earth's
        crust, whether consolidated or not, including sand, earth,
        clay, etc., when in natural beds.
        [1913 Webster]
  
     3. That which resembles a rock in firmness; a defense; a
        support; a refuge.
        [1913 Webster]
  
              The Lord is my rock, and my fortress. --2 Sam. xxii.
                                                    2.
        [1913 Webster]
  
     4. Fig.: Anything which causes a disaster or wreck resembling
        the wreck of a vessel upon a rock.
        [1913 Webster]
  
     5. (Zool.) The striped bass. See under Bass.
        [1913 Webster]
  
     Note: This word is frequently used in the formation of
           self-explaining compounds; as, rock-bound, rock-built,
           rock-ribbed, rock-roofed, and the like.
           [1913 Webster]
  
     Rock alum. [Probably so called by confusion with F. roche a
        rock.] Same as Roche alum.
  
     Rock+barnacle+(Zool.),+a+barnacle+({Balanus+balanoides">Rock barnacle (Zool.), a barnacle ({Balanus balanoides)
        very abundant on rocks washed by tides.
  
     Rock bass. (Zool.)
        (a) The stripped bass. See under Bass.
        (b) The goggle-eye.
        (c) The cabrilla. Other species are also locally called
            rock bass.
  
     Rock builder (Zool.), any species of animal whose remains
        contribute to the formation of rocks, especially the
        corals and Foraminifera.
  
     Rock butter (Min.), native alum mixed with clay and oxide
        of iron, usually in soft masses of a yellowish white
        color, occuring in cavities and fissures in argillaceous
        slate.
  
     Rock candy, a form of candy consisting of crystals of pure
        sugar which are very hard, whence the name.
  
     Rock cavy. (Zool.) See Moco.
  
     Rock cod (Zool.)
        (a) A small, often reddish or brown, variety of the cod
            found about rocks andledges.
        (b) A California rockfish.
  
     Rock cook. (Zool.)
        (a) A European wrasse ({Centrolabrus exoletus).
        (b) A rockling.
  
     Rock cork (Min.), a variety of asbestus the fibers of which
        are loosely interlaced. It resembles cork in its texture.
        
  
     Rock crab (Zool.), any one of several species of large
        crabs of the genus C, as the two species of the New
        England coast ({Cancer irroratus and Cancer borealis).
        See Illust. under Cancer.
  
     Rock cress (Bot.), a name of several plants of the cress
        kind found on rocks, as Arabis petraea, Arabis lyrata,
        etc.
  
     Rock crystal (Min.), limpid quartz. See Quartz, and under
        Crystal.
  
     Rock dove (Zool.), the rock pigeon; -- called also rock
        doo.
  
     Rock drill, an implement for drilling holes in rock; esp.,
        a machine impelled by steam or compressed air, for
        drilling holes for blasting, etc.
  
     Rock duck (Zool.), the harlequin duck.
  
     Rock eel. (Zool.) See Gunnel.
  
     Rock goat (Zool.), a wild goat, or ibex.
  
     Rock hopper (Zool.), a penguin of the genus Catarractes.
        See under Penguin.
  
     Rock kangaroo. (Zool.) See Kangaroo, and Petrogale.
  
     Rock lobster (Zool.), any one of several species of large
        spinose lobsters of the genera Panulirus and
        Palinurus. They have no large claws. Called also spiny
        lobster, and sea crayfish.
  
     Rock meal (Min.), a light powdery variety of calcite
        occuring as an efflorescence.
  
     Rock milk. (Min.) See Agaric mineral, under Agaric.
  
     Rock moss, a kind of lichen; the cudbear. See Cudbear.
  
     Rock oil. See Petroleum.
  
     Rock parrakeet (Zool.), a small Australian parrakeet
        ({Euphema petrophila), which nests in holes among the
        rocks of high cliffs. Its general color is yellowish olive
        green; a frontal band and the outer edge of the wing
        quills are deep blue, and the central tail feathers bluish
        green.
  
     Rock+pigeon+(Zool.),+the+wild+pigeon+({Columba+livia">Rock pigeon (Zool.), the wild pigeon ({Columba livia) Of
        Europe and Asia, from which the domestic pigeon was
        derived. See Illust. under Pigeon.
  
     Rock pipit. (Zool.) See the Note under Pipit.
  
     Rock plover. (Zool.)
        (a) The black-bellied, or whistling, plover.
        (b) The rock snipe.
  
     Rock ptarmigan (Zool.), an arctic American ptarmigan
        ({Lagopus rupestris), which in winter is white, with the
        tail and lores black. In summer the males are grayish
        brown, coarsely vermiculated with black, and have black
        patches on the back.
  
     Rock rabbit (Zool.), the hyrax. See Cony, and Daman.
  
     Rock ruby (Min.), a fine reddish variety of garnet.
  
     Rock salt (Min.), cloride of sodium (common salt) occuring
        in rocklike masses in mines; mineral salt; salt dug from
        the earth. In the United States this name is sometimes
        given to salt in large crystals, formed by evaporation
        from sea water in large basins or cavities.
  
     Rock seal (Zool.), the harbor seal. See Seal.
  
     Rock shell (Zool.), any species of Murex, Purpura, and
        allied genera.
  
     Rock snake (Zool.), any one of several large pythons; as,
        rock+snake+({Python+regia">the royal rock snake ({Python regia) of Africa, and the
        rock+snake+of+India+({Python+molurus">rock snake of India ({Python molurus). The Australian
        rock snakes mostly belong to the allied genus Morelia.
        
  
     Rock snipe (Zool.), the purple sandpiper ({Tringa
        maritima); -- called also rock bird, rock plover,
        winter snipe.
  
     Rock soap (Min.), a kind of clay having a smooth, greasy
        feel, and adhering to the tongue.
  
     Rock sparrow. (Zool.)
        (a) Any one of several species of Old World sparrows of
            the genus Petronia, as Petronia stulla, of Europe.
        (b) A North American sparrow ({Pucaea ruficeps).
  
     Rock tar, petroleum.
  
     Rock thrush (Zool.), any Old World thrush of the genus
        Monticola, or Petrocossyphus; as, the European rock
        thrush ({Monticola saxatilis), and the blue rock thrush
        of India ({Monticola cyaneus), in which the male is blue
        throughout.
  
     Rock tripe (Bot.), a kind of lichen ({Umbilicaria
        Dillenii) growing on rocks in the northen parts of
        America, and forming broad, flat, coriaceous, dark fuscous
        or blackish expansions. It has been used as food in cases
        of extremity.
  
     Rock trout (Zool.), any one of several species of marine
        food fishes of the genus Hexagrammus, family Chiradae,
        native of the North Pacific coasts; -- called also sea
        trout, boregat, bodieron, and starling.
  
     Rock warbler (Zool.), a small Australian singing bird
        ({Origma rubricata) which frequents rocky ravines and
        water courses; -- called also cataract bird.
  
     Rock wren (Zool.), any one of several species of wrens of
        the genus Salpinctes, native of the arid plains of Lower
        California and Mexico.
        [1913 Webster]

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