Definition of "fen"
noun:
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A type of wetland fed by ground water and runoff, containing peat below the waterline.
from Wiktionary, Creative Commons Attribution/Share-Alike License -
A plural form of fan used by enthusiasts of science fiction, fantasy, and anime, partly from whimsy and partly to distinguish themselves from fans of sport, etc.
from Wiktionary, Creative Commons Attribution/Share-Alike License
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