yellow jacket


noun
  1. any of several paper wasps of the family Vespidae, having black and bright yellow bands.

  2. Slang. a yellow capsule of phenobarbital.

Origin of yellow jacket

1
An Americanism dating back to 1790–1800

Words Nearby yellow jacket

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

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British Dictionary definitions for yellow jacket

yellow jacket

noun
  1. US and Canadian any of several social wasps of the genus Vespa, having yellow markings on the body

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