A curved piece of wood attached to the bottom of a rocking chair or cradle that enables it to rock back and forth. / A rocking chair.

plural of rocker

(nautical) Shaped like a rocker; curved.

(informal) A person who plays, or is a fan of, punk rock.

A musician who performs glam rock. / A follower of this type of music.

plural of punk rocker

Someone who plays, or is a fan of, stoner rock.

A cock rock musician or fan.

plural of spring rocker

Synonym of spring rider