/ ˈrɒkə(r); NAmE ˈrɑːk-/ noun
1.
one of the two curved pieces of wood on the bottom of a rocking chair
2.
( especially NAmE ) = rocking chair
3.
Rocker ( BrE ) a member of a group of young people in Britain, especially in the 1960s, who liked to wear leather jackets, ride motorcycles and listen to rock and roll music
—compare mod
4.
a person who performs, dances to or enjoys rock music
•
IDIOMS
- be off your rocker
For more information see the Cultural Guide