rocker
n. countable B2 Upper Intermediate US //ˈɹɑkɝ// UK //ɹˈɒkɐ// rock·er
n. a person who loves rock music, or a piece of furniture like a chair that moves back and forth.
n. a person who performs or enjoys rock music; also refers to a curved support or a chair mounted on such supports to allow rocking motion.
He has been a dedicated rocker since his teenage years.
The old woman sat in her wooden rocker on the porch, watching the sunset every evening.
While the subculture has evolved, the classic image of the leather-clad rocker remains a potent symbol of mid-century musical rebellion.
Usage
Informal when referring to a person; neutral when referring to furniture or mechanical parts.
Pitfall
He is a rockierHe is a rockerLearners sometimes confuse the noun 'rocker' with the comparative adjective 'rockier' (more rocky).