American English

Definition of marsh noun from the Oxford Advanced American Dictionary

 

marsh

 noun
noun
NAmE//mɑrʃ//
 
[countable, uncountable]
 
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an area of low land that is always soft and wet because there is nowhere for the water to flow away to They went duck hunting in the marshes. After so much rain, the field had become a marsh (= a very wet area).
 
adjective marshy ground/land
See the Oxford Advanced Learner's Dictionary entry: marsh