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.
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.