Definition of FEN

spongy land saturated or partially covered with water <a day spent trudging through the fens in quest of game birds>
Synonyms bog, fen, marsh, marshland, mire, moor, morass, muskeg, slough (also slew or slue), swampland, wash, wetland
Related Words swale; quagmire; guck (or gook), muck, mud, ooze, slime, slop, sludge, slush

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