Definition of chub noun from the Oxford Advanced Learner's Dictionary

 

chub

 noun
noun
BrE BrE//tʃʌb//
 
; NAmE NAmE//tʃʌb//
 
(pl. chub) Fish
 
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a freshwater fish with a thick body See related entries: Fish Word Origin late Middle English: of unknown origin.
See the Oxford Advanced American Dictionary entry: chub