Marshy areas (4)
'marshy areas' is the definition.
(I've seen this in another clue)
This is the entire clue.
(Other definitions for fens that I've seen before include "Low-lying wetlands" , "Marshy eastern England region" , "marshland" , "East Anglian marshes" .)
'marshy areas' is the definition.
(I've seen this in another clue)
This is all the clue.
(Other definitions for bogs that I've seen before include "Wet spongy areas with decomposing vegetation" , "Swamps or marshes" .)