rocker

Definition
(noun) an attendant who rocks a child in a cradle Definition
(noun) a performer or composer or fan of rock music Definition
(noun) a teenager or young adult in the 1960s who wore leather jackets and rode motorcycles Definition
(noun) a chair mounted on rockers Definition
(noun) 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 Definition
(noun) an ice skate with a curved blade Definition
(noun) a curved support that permits the supported object to rock to and fro