Fen, n.

[A-S. fen, or fenn, marsh, mud, dirt, Icel. fen, O. H. Ger. fenna, O. Fries. & I. Ger. fenne, fene, N. H. Ger. fenn, D. veen, Goth. fani, mud.] Low land overflowed, or covered wholly or partially with water, but producing sedge, coarse grasses, or other aquatic plants; boggy land; moor; marsh; — used in composition; as, fen-cress; fen-fowl; fen-land. “Mid reedy fens wide spread.” Wordsworth.