Meaning offenin English

Noun

1. a wetland with peat and alkaline water
   The hikers had to navigate through the fen to reach the other side.
2. a swampy or marshy area; muddy terrain
   The fen was home to a diverse range of plant and animal species.
3. a group of science fiction fans (enthusiasts)
   At the science fiction convention, the fen gathered to discuss their favorite books.