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Definition of yellow jacket noun from the Oxford Advanced Learner's Dictionary

yellow jacket

noun
 
/ˈjeləʊ dʒækɪt/
 
/ˈjeləʊ dʒækɪt/
(also yellowjacket)
(North American English)
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  1. a type of small wasp (= a black and yellow flying insect)
See yellow jacket in the Oxford Advanced American Dictionary
fever
noun
 
 
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