noun
also po·co·son or po·co·sen pəˈkōs ə n, ˈpōkəsən
( -s )
Etymology: Delaware pâkwesen, from pâkw- shallow + -sen (suffix used to designate resting in place)
: swamp , marsh ; especially : an upland swamp on an interfluvial area of the coastal plain of the southeastern United States