Definition of yellow jacket
1 : any of various small yellow-marked vespid wasps (especially genus Vespula) that commonly nest in the ground and can sting repeatedly and painfully
2 slang : pentobarbital especially in a yellow capsule
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First Known Use of yellow jacket
1796
YELLOW JACKET Defined for English Language Learners
yellow jacket
playDefinition of yellow jacket for English Language Learners
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: a small flying insect that has yellow marks on its body and that can sting you
YELLOW JACKET Defined for Kids
yellow jacket
Definition of yellow jacket for Students
: a small wasp with yellow markings that usually nests in colonies in the ground and can sting repeatedly and painfully
Medical Dictionary
yellow jacket
Medical Definition of yellow jacket
1: any of various yellow-marked social wasps (especially genus Vespula of the family Vespidae) that usually nest in the ground, aggressively defend their nests, and can sting repeatedly and painfully
2 slang : pentobarbital especially in a yellow capsule—usually used in plural
Illustration of yellow jacket
Learn More about yellow jacket
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Spanish Central: Translation of yellow jacket Nglish: Translation of yellow jacket for Spanish speakers Britannica.com: Encyclopedia article about yellow jacket
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