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English definition of “marsh”

marsh

noun     /mɑːʃ/ US  /mɑːrʃ/
[C or U] ground near a lake, a river, or the sea that often floods and is always wet: At the mouth of the river is a large area of marsh. Rain had been falling steadily all day and the ground had become a marsh.Wetland marshes [plural] a large area of marsh: At low tide in the estuary, cows graze on the marshes.Wetland
(Definition of marsh noun from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
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