push rod

push·rod

[poosh-rod]
noun Automotive.
a rod in an overhead-valve engine that is part of the linkage used to open and close the valves.
Also, push rod.


Origin:
1905–10; push + rod

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Based on the Random House Dictionary, © Random House, Inc. 2013.
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World English Dictionary
pushrod (ˈpʊʃˌrɒd) [Click for IPA pronunciation guide]
 
n
a metal rod transmitting the reciprocating motion that operates the valves of an internal-combustion engine having the camshaft in the crankcase

Collins English Dictionary - Complete & Unabridged 10th Edition
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Push rod is always a great word to know.
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an extraordinary or unusual thing, person, or event; an exceptional example or instance.
a chattering or flighty, light-headed person.
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