English

Definition of brown rat noun from the Oxford Advanced Learner's Dictionary

 

brown rat

 noun
noun
BrE BrE//ˌbraʊn ˈræt//
 
; NAmE NAmE//ˌbraʊn ˈræt//
 
(also common rat, Norway rat)
 
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a common type of rat
See the Oxford Advanced American Dictionary entry: brown rat