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

 

cottonmouth

 noun
noun
BrE BrE//ˈkɒtnmaʊθ//
 
; NAmE NAmE//ˈkɑːtnmaʊθ//
 
(also cottonmouth moccasin, water moccasin) Amphibians and reptiles
 
jump to other results
a poisonous snake which lives near water in the US See related entries: Amphibians and reptiles
See the Oxford Advanced American Dictionary entry: cottonmouth