marsh
/ˈmɑɚʃ/ noun plural marsh·es
: an area of soft, wet land that has many grasses and other plants [count] ▪ wetlands and marshes [noncount] ▪ a wide expanse of marsh ▪ marsh grasses
— marshy
/ˈmɑɚʃi/ adjective,
marsh·i·er; marsh·i·est [
also more marshy; most marshy]
▪ a wet marshy region/habitat ▪ marshy ground