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

 

opossum

 noun
noun
BrE BrE//əˈpɒsəm//
 
; NAmE NAmE//əˈpɑːsəm//
 
(Australian English, New Zealand English or North American English, informal possum) Wild mammals
 
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a small American or Australian animal that lives in trees and carries its young in a pouch (= a pocket of skin on the front of the mother’s body) See related entries: Wild mammals Word Origin early 17th cent.: from Virginia Algonquian opassom, from op ‘white’ + assom ‘dog’.
See the Oxford Advanced American Dictionary entry: opossum