- An area of low-lying land which is flooded in wet seasons or at high tide, and typically remains waterlogged at all times: the marsh marigold loves damp fields, riverbanks, and marshes [mass noun]: patches of marsh [as modifier]: marsh plantsMore example sentences
- It is a large fresh water lake associated with marshes on the flood plains of the river.
- Until late October the birds may be found on estuaries, flooded coastal marshes and farm reservoirs.
- The Romans became practised at draining marshes to rid areas of malaria-carrying mosquitoes.
Old English mer(i)sc (perhaps influenced by late Latin mariscus 'marsh'), of West Germanic origin.