marsh
Definitions
An area of low-lying land that is flooded in wet seasons or at high tide and typically remains waterlogged at all times.
A tract of soft, wet land characterized by monocotyledonous vegetation such as grasses, sedges, and reeds.
Examples
The hikers struggled to walk through the thick mud of the marsh.
Many rare species of birds nest in the protected marshland.
A thick fog rolled over the marsh as the sun began to set.