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butterfly nut

 - 3 dictionary results

wing nut

–noun
a nut having two flat, widely projecting pieces such that it can be readily tightened with the thumb and forefinger.
Also, wingnut.
Also called butterfly nut, thumbnut.


Origin:
1895–1900
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2009.
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butterfly nut

noun
a threaded nut with winglike projections for thumb and forefinger leverage in turning [syn: wing nut
WordNet® 3.0, © 2006 by Princeton University.
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