1e61 fen Definition A free service provided by Writers Nexus International Writing Resources: New Novelist Software Writer Circles Author Me FirstWriter.com Novel Advice Robin's Nest for Writers The Scriptorium Women on Writing A Writer's Dictionary: Letter A Letter B Letter C Letter D Letter E Letter F Letter G Letter H Letter I Letter J Letter K Letter L Letter M Letter N Letter O Letter P Letter Q Letter R Letter S Letter T Letter U Letter V Letter W Letter X Letter Y Letter Z fen Definition Dictionary Home » Words Starting with F » fellatio ... fermentable » fen fennoun 1. A waterlogged area of lowland dominated by grasses, sedges and rushes, having an alkaline soil. Also called fenland. Compare the Fens.Thesaurus: swamp, marsh, bog, quagmire, morass, slough.Derivative: fenny adjEtymology: Anglo-Saxon fenn. Click Here © Mick Sanderson 2004. Site designed and developed by Joe Herbert.