rocker : Idioms & Phrases
boston rocker
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noun a rocking chair that has a high spindle back and a decorative top panel
WordNet
platform rocker
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noun rocking chair on a stationary base
WordNet
punk rocker
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noun a teenager or young adult who is a performer (or enthusiast) of punk rock and a member of the punk youth subculture
punk.
WordNet
Rocker arm
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noun a lever pivoted at the center; used especially to push a valve down in an internal-combustion engine
rocker arm.
WordNet
(Mach.) , an arm borne by a rock shaft.
Webster 1913
To be off one's rocker
- to be insane.
Webster 1913
valve rocker
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noun a lever pivoted at the center; used especially to push a valve down in an internal-combustion engine
rocker arm.