01 n. One who rocks; specifically, one who rocks a cradle.
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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.
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2.
One of the curving pieces of wood or metal on which a cradle, chair, etc., rocks.
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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.
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4.
A play horse on rockers; a rocking-horse.
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5.
A chair mounted on rockers; a rocking-chair.
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6.
A skate with a curved blade, somewhat resembling in shape the rocker of a cradle.
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Phrases & compounds
Rocker arm —
an arm borne by a rock shaft.