noun
fen
fehn
noun
1
A low-lying wetland fed by groundwater, typically less acidic than a bog.
"The nature reserve protects one of the last fens in the region."
2
A swamp or marsh in general.
"They got the truck stuck in a muddy fen."
How to Use Fen
Learner’s notesIn plain EnglishA type of wetland, or loosely, any marshy ground.
Common pairings
the Fens (East Anglia)
fen drainage
Word Forms
fens plural, fen plural, fens plural, fens plural
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The nature reserve protects one of the last _____ in the region.
Etymology
From Old English fenn ("marsh, mud"), from a very old Indo-European root meaning "bog" or "mire."