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

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World English Dictionary
yellow jacket
 
n
(US), (Canadian) any of several social wasps of the genus Vespa, having yellow markings on the body

Collins English Dictionary - Complete & Unabridged 10th Edition
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Example sentences
Bee poisoning is caused by a sting from a bee, wasp, or yellow jacket.
Afterward, back in the truck, a yellow jacket flew in and stung me on the neck.
Please use an alternate route if you are allergic, want to avoid any risk of yellow jacket stings, or are riding a horse.
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