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rocker arm

noun, Machinery
1.
a rocking or oscillating arm or lever rotating with a moving shaft or pivoted on a stationary shaft.
Origin
1855-1860
1855-60
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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Examples from the web for rocker arm
  • The upper valve spring seat continued moving up the valve stem until it began to make contact with the neck of the rocker arm.
  • One broken spring piece had been bent by the rocker arm and had significantly dented the valve cover-nearly penetrating it.
British Dictionary definitions for rocker arm

rocker arm

noun
1.
a lever that rocks about a pivot, esp a lever in an internal-combustion engine that transmits the motion of a pushrod or cam to a valve
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Word Value for rocker

12
13
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