Dictionary.com
definitions
  • synonyms

butterfly nut

See more synonyms for butterfly nut on Thesaurus.com
noun
  1. wing nut.
Show More

Origin of butterfly nut

An Americanism dating back to 1735–45
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

British Dictionary definitions for butterfly nut

butterfly nut

noun
  1. another name for wing nut
Show More
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