Rough projection
I believe the answer is:
crag
'rough projection' is the definition.
(I've seen this in another clue)
This is the entire clue.
(Other definitions for crag that I've seen before include "Steep or rugged cliff face" , "Steep, overhanging rock" , "Steep rock, peak" , "Steep, rugged peak" , "Steep rocky cliff" .)