The definition of a marsh is a swampy area of lowlands.
(noun)A wet and swampy area is an example of a marsh.
See marsh in Webster's New World College Dictionary
noun
Origin: ME mersch < OE merisc, akin to MLowG mersch, marsch (> Ger marsch) < IE base *mori, sea > mare
See marsh in American Heritage Dictionary 4
noun
Origin:
Origin: Middle English
Origin: , from Old English mersc; see mori- in Indo-European roots
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, Reginald 1898-1954.
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