rocker

rock·er  (rkr)

n.

1. One that rocks, as:

a. A rocking chair.

b. A rocking horse.

2. One of the two curved pieces upon which a cradle, rocking chair, or similar device rocks.

3. A cradle used for washing or panning ores.

4. A small curved blade with a toothed edge used in mezzotint engraving to roughen the surface of the metal plate.

5. An object having a curved form, as the keel of a ship or a skate blade sharpened in a curve.

6. A curved stripe at the bottom part of a chevron worn by noncommissioned officers above the rank of sergeant.

7. Music

a. A rock 'n' roll song, singer, or musician.

b. A fan of rock 'n' roll.

Idiom:

off (one's) rocker Slang

Out of one's mind; crazy.

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rocker

Noun

1. a rocking chair

2. either of two curved supports on which a rocking chair stands

3. a rock music performer or fan

4. off one's rocker Slang crazy

Thesaurus

Noun	1.	rocker - an attendant who rocks a child in a cradle attendant, attender, tender - someone who waits on or tends to or attends to the needs of another
	2.	rocker - a performer or composer or fan of rock music rock 'n' roll musician instrumentalist, musician, player - someone who plays a musical instrument (as a profession) rock star - a famous singer of rock music
	3.	rocker - a teenager or young adult in the 1960s who wore leather jackets and rode motorcycles bikers, rockers - originally a British youth subculture that evolved out of the teddy boys in the 1960s; wore black leather jackets and jeans and boots; had greased hair and rode motorcycles and listened to rock'n'roll; were largely unskilled manual laborers Britain, Great Britain, U.K., UK, United Kingdom, United Kingdom of Great Britain and Northern Ireland - a monarchy in northwestern Europe occupying most of the British Isles; divided into England and Scotland and Wales and Northern Ireland; `Great Britain' is often used loosely to refer to the United Kingdom adolescent, stripling, teen, teenager - a juvenile between the onset of puberty and maturity
	4.	rocker - a chair mounted on rockers           rocking chair Boston rocker - a rocking chair that has a high spindle back and a decorative top panel chair - a seat for one person, with a support for the back; "he put his coat over the back of the chair and sat down" platform rocker - rocking chair on a stationary base rocker - a curved support that permits the supported object to rock to and fro rung, stave, round - a crosspiece between the legs of a chair shoofly - a child's rocking chair with the seat built between two flat sides that are shaped to resemble an animal (such as a swan or duck)
	5.	rocker - a trough that can be rocked back and forth; used by gold miners to shake auriferous earth in water in order to separate the gold cradle trough - a long narrow shallow receptacle
	6.	rocker - an ice skate with a curved blade ice skate - skate consisting of a boot with a steel blade fitted to the sole
	7.	rocker - a curved support that permits the supported object to rock to and fro cradle - a baby bed with sides and rockers rocking horse, hobby, hobbyhorse - a child's plaything consisting of an imitation horse mounted on rockers; the child straddles it and pretends to ride rocking chair, rocker - a chair mounted on rockers support - any device that bears the weight of another thing; "there was no place to attach supports for a shelf"