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yellow jacket

 - 3 dictionary results

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:
1790–1800, Americanism
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2009.
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yellow jacket  
n.  Any of several small wasps of the family Vespidae that have yellow and black markings and usually nest in the ground.
The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2009 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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Medical Dictionary

Main Entry: yellow jacket
Function: noun
1 : any of various yellow-marked social wasps (especially genus Vespula of the family Vespidae) that usually nestin the ground, aggressively defend their nests, and can sting repeatedly and painfully
2 : a yellow capsule containing a preparation of pentobarbital —usually used in plural
Merriam-Webster's Medical Dictionary, © 2002 Merriam-Webster, Inc.
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