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Word of the Day Tuesday, June 9, 2026

fen

/fɛn/ noun · British & US
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What does fen mean?

noun

A type of wetland or marshy area, typically found in low-lying coastal or riverine areas. A fen is characterized by acidic, oxygen-poor conditions and is often dominated by sphagnum mosses and other acid-loving plants.

Example

"The hikers trekked through the dense fen, careful not to disturb the delicate ecosystem."

Definition generated by AI and curated by RJS Tech Solutions LLP.

Synonyms for fen

Antonyms of fen

Rhymes with fen

Etymologically related