Definition of "fen" []

• Low, flat, swampy land; a bog or marsh. (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "This year it was awarded to Åcon, a Finnish convention that strives to bring together fen from the Nordic countries."
• "The studies aren't anywhere near conclusive - they describe only 24 long-term fen-phen users, and the Food and Drug Administration has found nine others."
• "There are tracts of wetland all over Europe, all over the world, but they are not named fens, fen is an English word, it will not migrate."