Marshland (3)
'marshland' is the definition.
(fen is a type of wetland)
This is all the clue.
(Other definitions for fen that I've seen before include "Marshland" , "Low marshy land" , "Marshy area of land" , "English marsh" , "Low marshy area" .)
'marshland' is the definition.
(I've seen this before)
This is the entire clue.
(Other definitions for fens that I've seen before include "Low-lying wetlands" , "East Anglian marshes" , "marshland" , "Marshy eastern England region" .)
'marshland' is the definition.
(I've seen this in another clue)
This is the entire clue.
(Other definitions for swamp that I've seen before include "Seasonally-flooded lowland" , "Waterlogged ground" , "Boggy land" , "Waterlogged area" , "Boggy ground" .)