Definitions for: Rock

[n] pitching dangerously to one side
[n] a genre of popular music originating in the 1950s; a blend of Black rhythm-and-blues with White country-and-western; "rock is a generic term for the range of styles that evolved out of rock'n'roll."
[n] hard stick bright-colored stick candy typically peppermint flavored
[n] a lump or mass of hard consolidated mineral matter; "he threw a rock at me"
[n] material consisting of the aggregate of minerals like those making up the Earth's crust; "that mountain is solid rock"; "stone is abundant in New England and there are many quarries"
[v] move back and forth in an unstable manner; "the ship was rocking"; "the tall building swayed"; "the tree shook in the wind"
[v] cause to move back and forth; "rock the cradle"; "the wind swayed the trees gently"
[v] rock or place in or as if in a cradle; "He cradled the infant in his arms"

Webster (1913) Definition: Rock, n.
See Roc.

Rock, n. [OE. rocke; akin to D. rok, rokken, G. rocken,
OHG. roccho, Dan. rok, Icel. rokkr. Cf. Rocket a firework.]
A distaff used in spinning; the staff or frame about which
flax is arranged, and from which the thread is drawn in
spinning. --Chapman.

Sad Clotho held the rocke, the whiles the thread By
grisly Lachesis was spun with pain, That cruel Atropos
eftsoon undid. --Spenser.

Rock, n. [OF. roke, F. roche; cf. Armor. roc'h, and AS.
1. A large concreted mass of stony material; a large fixed
stone or crag. See Stone.

Come one, come all! this rock shall fly From its
firm base as soon as I. --Sir W.

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.

3. That which resembles a rock in firmness; a defense; a
support; a refuge.

The Lord is my rock, and my fortress. --2 Sam. xxii.

4. Fig.: Anything which causes a disaster or wreck resembling
the wreck of a vessel upon a rock.

5. (Zo["o]l.) The striped bass. See under Bass.

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.

Rock alum. [Probably so called by confusion with F. roche a
rock.] Same as Roche alum.

Rock barnacle (Zo["o]l.), a barnacle (Balanus balanoides)
very abundant on rocks washed by tides.

Rock bass. (Zo["o]l.)
(a) The stripped bass. See under Bass.
(b) The goggle-eye.
(c) The cabrilla. Other species are also locally called
rock bass.

Rock builder (Zo["o]l.), 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

Rock candy, a form of candy consisting of crystals of pure
sugar which are very hard, whence the name.

Rock cavy. (Zo["o]l.) See Moco.

Rock cod (Zo["o]l.)
(a) A small, often reddish or brown, variety of the cod
found about rocks andledges.
(b) A California rockfish.

Rock cook. (Zo["o]l.)
(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 (Zo["o]l.), any one of several species of large
crabs of the genus Cancer, as the two species of the New
England coast (C. irroratus and C. borealis). See
Illust. under Cancer.

Rock cress (Bot.), a name of several plants of the cress
kind found on rocks, as Arabis petr[ae]a, A. lyrata,

Rock crystal (Min.), limpid quartz. See Quartz, and under

Rock dove (Zo["o]l.), the rock pigeon; -- called also {rock

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 (Zo["o]l.), the harlequin duck.

Rock eel. (Zo["o]l.) See Gunnel.

Rock goat (Zo["o]l.), a wild goat, or ibex.

Rock hopper (Zo["o]l.), a penguin of the genus
Catarractes. See under Penguin.

Rock kangaroo. (Zo["o]l.) See Kangaroo, and Petrogale.

Rock lobster (Zo["o]l.), 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 (Zo["o]l.), 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

Rock pigeon (Zo["o]l.), the wild pigeon (Columba livia)
Of Europe and Asia, from which the domestic pigeon was
derived. See Illust. under Pigeon.

Rock pipit. (Zo["o]l.) See the Note under Pipit.

Rock plover. (Zo["o]l.)
(a) The black-bellied, or whistling, plover.
(b) The rock snipe.

Rock ptarmigan (Zo["o]l.), 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 (Zo["o]l.), 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 (Zo["o]l.), the harbor seal. See Seal.

Rock shell (Zo["o]l.), any species of Murex, Purpura, and
allied genera.

Rock snake (Zo["o]l.), any one of several large pythons;
as, the royal rock snake (Python regia) of Africa, and
the rock snake of India (P. molurus). The Australian
rock snakes mostly belong to the allied genus Morelia.

Rock snipe (Zo["o]l.), 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. (Zo["o]l.)
(a) Any one of several species of Old World sparrows of
the genus Petronia, as P. stulla, of Europe.
(b) A North American sparrow (Puc[ae]a ruficeps).

Rock tar, petroleum.

Rock thrush (Zo["o]l.), any Old World thrush of the genus
Monticola, or Petrocossyphus; as, the European rock
thrush (M. saxatilis), and the blue rock thrush of India
(M. 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 (Zo["o]l.), any one of several species of marine
food fishes of the genus Hexagrammus, family
Chirad[ae], native of the North Pacific coasts; --
called also sea trout, boregat, bodieron, and

Rock warbler (Zo["o]l.), a small Australian singing bird
(Origma rubricata) which frequents rocky ravines and
water courses; -- called also cataract bird.

Rock wren (Zo["o]l.), any one of several species of wrens
of the genus Salpinctes, native of the arid plains of
Lower California and Mexico.

Rock, v. t. [imp. & p. p. Rocked;p. pr. & vb. n.
Rocking.] [AS. roccian; akin to Dan. rokke to move, to
snake; cf. Icel. rukkja to pull, move, G. r["u]cken to move,
push, pull.]
1. To cause to sway backward and forward, as a body resting
on a support beneath; as, to rock a cradle or chair; to
cause to vibrate; to cause to reel or totter.

A rising earthquake rocked the ground. --Dryden.

2. To move as in a cradle; hence, to put to sleep by rocking;
to still; to quiet. ``Sleep rock thy brain.'' --Shak.

Note: Rock differs from shake, as denoting a slower, less
violent, and more uniform motion, or larger movements.
It differs from swing, which expresses a vibratory
motion of something suspended.

Rock, v. i.
1. To move or be moved backward and forward; to be violently
agitated; to reel; to totter.

The rocking town Supplants their footsteps. --J.
Philips .

2. To roll or saway backward and forward upon a support; as,
to rock in a rocking-chair.

Synonyms: careen, cradle, rock and roll, rock candy, rock music, rock 'n' roll, rock-and-roll, rock'n'roll, shake, stone, stone, sway, sway, tilt

See Also: achondrite, acid rock, aphanite, art rock, backbeat, bedrock, boulder, bowlder, calc-tufa, calculus, caliche, candy, chondrite, claystone, concretion, conglomerate, crushed rock, crystal, crystallization, displace, dolomite, emery rock, emery stone, fieldstone, gravel, greisen, igneous rock, intrusion, limestone, lurch, magma, marble, material, metamorphic rock, mineral, move, move back and forth, natural object, nutate, outcrop, outcropping, pebble, petrifaction, pitch, pitching, popular music, popular music genre, progressive rock, psychedlic rock, pudding stone, pumice, pumice stone, punk, punk rock, quartzite, road metal, rock outcrop, sedimentary rock, shingling, sial, sill, sima, stepping stone, stuff, swag, tor, tufa, wall rock, xenolith

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