Grassland (3)
'grassland' is the definition.
(lea is a kind of grassland)
This is all the clue.
(Other definitions for lea that I've seen before include "Grazing land" , "grazing area" , "Open grassy land; river" , "Land growing grass" , "River of east London" .)
'grassland' is the definition.
(I know that prairie is a type of grassland)
This is all the clue.
(Other definitions for prairie that I've seen before include "Broad rolling tract of land in the US" , "Cowboy song: ` `Bury me not on the lone .......' '" , "this oyster produces an egg" , "Wide grassy plain" , "Extensive US grassland" .)