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rocker |
4 definitions found From Webster's Revised Unabridged Dictionary (1913) [web1913]: Rocker \Rock"er\, n. 1. One who rocks; specifically, one who rocks a cradle. It was I, sir, said the rocker, who had the honor, some thirty years since, to attend on your highness in your infancy. --Fuller. 2. One of the curving pieces of wood or metal on which a cradle, chair, etc., rocks. 3. Any implement or machine working with a rocking motion, as a trough mounted on rockers for separating gold dust from gravel, etc., by agitation in water. 4. A play horse on rockers; a rocking-horse. 5. A chair mounted on rockers; a rocking-chair. 6. A skate with a curved blade, somewhat resembling in shape the rocker of a cradle. 7. (Mach.) Same as {Rock shaft}. {Rocker arm} (Mach.), an arm borne by a rock shaft. From Webster's Revised Unabridged Dictionary (1913) [web1913]: Rock shaft \Rock" shaft`\ [Cf. {Rock}, v. i.] (Mach.) A shaft that oscillates on its journals, instead of revolving, -- usually carrying levers by means of which it receives and communicates reciprocating motion, as in the valve gear of some steam engines; -- called also {rocker}, {rocking shaft}, and {way shaft}. From Webster's Revised Unabridged Dictionary (1913) [web1913]: Cradle \Cra"dle\ (kr[=a]d'l), n. [AS. cradel, cradol, prob. from Celtic; cf Gael. creathall Ir craidhal W. cryd a shaking or rocking, a cradle; perh. akin to E. crate.] 1. A bed or cot for a baby, oscillating on rockers or swinging on pivots; hence the place of origin, or in which anything is nurtured or protected in the earlier period of existence; as a cradle of crime; the cradle of liberty. The cradle that received thee at thy birth. --Cowper. No sooner was I crept out of my cradle But I was made a king, at nine months old --Shak. 2. Infancy, or very early life. From their cradles bred together. --Shak. A form of worship in which they had been educated from their cradles. --Clarendon. 3. (Agric.) An implement consisting of a broad scythe for cutting grain, with a set of long fingers parallel to the scythe, designed to receive the grain, and to lay it evenly in a swath. 4. (Engraving) A tool used in mezzotint engraving, which by a rocking motion, raises burrs on the surface of the plate, so preparing the ground. 5. A framework of timbers, or iron bars, moving upon ways or rollers, used to support, lift, or carry ships or other vessels, heavy guns, etc., as up an inclined plane, or across a strip of land, or in launching a ship. 6. (Med.) a A case for a broken or dislocated limb. b A frame to keep the bedclothes from contact with the person. 7. (Mining) a A machine on rockers, used in washing out auriferous earth; -- also called a {rocker}. [U.S.] b A suspended scaffold used in shafts. 8. (Carp.) The ribbing for vaulted ceilings and arches intended to be covered with plaster. --Knight. 9. (Naut.) The basket or apparatus in which when a line has been made fast to a wrecked ship from the shore, the people are brought off from the wreck. {Cat's cradle}. See under {Cat}. {Cradle hole}, a sunken place in a road, caused by thawing, or by travel over a soft spot. {Cradle scythe}, a broad scythe used in a cradle for cutting grain. From WordNet r 1.6 [wn]: rocker n 1: a performer (or enthusiast) of rock music 2: (British) a British teenager in the 1960s who wore leather jackets and rode motorcycles 3: a chair mounted on rockers [syn: {rocking chair}] 4: a curved support that permits the supported object to rotate to and fro
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