rocker
/ˈrɒkə(r)/noun
1
- a person who performs, dances to, or enjoys rock music, especially of a particular type（尤指某种）摇滚乐演奏者; 摇滚歌手; 摇滚乐迷：
a punk rocker.
一个朋克摇滚乐迷。
1.1
- a rock song摇滚歌曲。
1.2
- Brit. a young person, especially in the 1960s, belonging to a subculture characterized by leather clothing, riding motorcycles, and a liking for rock music〈英〉摇滚崽（尤指英国20世纪60年代身穿皮衣、骑摩托车、喜欢摇滚乐的亚文化群青少年）。
2
- a thing that rocks, in particular摇的东西, 尤指：
2.1
- a rocking chair摇椅。
2.2
- short for ROCKER SWITCH.ROCKER SWITCH的简称。
2.3
- a rocking device forming part of a mechanism, especially one for controlling the positions of brushes in a dynamo（尤指用以控制发电机中电刷位置的）摇动装置; 摇动操作装置。
3
- a curved bar or similar support on which something such as a chair or cradle can rock（摇椅、摇篮等的）弧形弯脚。
4
- mass noun the amount of curvature in the longitudinal contour of a boat or surfboard（船、冲浪板的）上升弧线。
短语
off one's rocker
- informal mad〈非正式〉发疯的。