rocker

definition: a curved support that permits the supported object to rock to and fro
example:
speech part: noun
synonyms:
definition: an ice skate with a curved blade
example:
speech part: noun
synonyms:
definition: a trough that can be rocked back and forth
example:
speech part: noun
synonyms: cradle
definition: a chair mounted on rockers
example:
speech part: noun
synonyms: rocking chair
definition: a teenager or young adult in the 1960s who wore leather jackets and rode motorcycles
example:
speech part: noun
synonyms:
definition: a performer or composer or fan of rock music
example:
speech part: noun
synonyms: rock 'n' roll musician
definition: an attendant who rocks a child in a cradle
example:
speech part: noun
synonyms:

How rocker is being used?