Deep ravine (5)
'deep ravine' is the definition.
(I've seen this in another clue)
This is the entire clue.
(Other definitions for gorge that I've seen before include "Ravine; glut" , "not fast" , "Chasm; overeat" , "Steep raving (Cheddar)" , "Gobble" .)
(Other definitions for ghyll that I've seen before include "Wooded ravine" , "Northern ravine" , "Ravine; mountain stream" , "Wooded glen" , "Narrow mountain stream" .)
'deep ravine' is the definition.
(I've seen this before)
This is the entire clue.
(Other definitions for canyon that I've seen before include "Deep valley with steep, even Grand, slopes" , "A deep gorge with a river, may be Grand" , "rift created" , "'Deep ravine, gorge (6)'" , "deep container for water" .)