- low-lying flat land that is marshy or artificially drained
WordReference Random House Learner's Dictionary of American English © 2026
fen1 /fɛn/USA pronunciation
n. [countable]
WordReference Random House Unabridged Dictionary of American English © 2026- Ecology, Geographylow land covered wholly or partially with water;
boggy land;
marsh.
fen1
(fen),USA pronunciation n.
fen2 (fen),USA pronunciation n., pl. fen.
- Ecology, Geographylow land covered wholly or partially with water;
boggy land;
a marsh. - Place Names the Fens, a marshy region W and S of The Wash, in E England.
- bef. 900; Middle English, Old English; cognate with Old Norse fen quagmire, Gothic fani mud, Dutch ven, German Fenn fen, bog
fen2 (fen),USA pronunciation n., pl. fen.
- Currencyan aluminum coin and monetary unit of the People's Republic of China, the hundredth part of a yuan or the tenth part of a jiao.
- Chinese fēn
- 1905–10
Collins Concise English Dictionary © HarperCollins Publishers::
fen /fɛn/ n
'fen' also found in these entries (note: many are not synonyms or translations):
carr
- Silicon Fen
- yuan
- defensive
- dog fennel
- fango
- fenland
- fenman
- fennel
- fenny
- fenphen
- ferbam
- Florence fennel
- giant fennel
- jiao
- marsh
- mefenamic acid
- wash
- swamp