Vale (4)
'vale' is the definition.
(I know that glen is a type of vale)
This is the entire clue.
(Other definitions for glen that I've seen before include "Narrow secluded valley in mountains" , "Long narrow valley in Scotland" , "Narrow valley with a stream" , "Highland valley" , "Scottish or Irish valley" .)
'vale' is the definition.
(I know that dell is a type of vale)
This is all the clue.
(Other definitions for dell that I've seen before include "Deep hollow or small valley" , "Small secluded valley" , "Manufacturer that relies heavily on Silicon" , "Small valley, rhymes with tumbled down" , "Farmer's place, in song" .)