Small cove (5)
I believe the answer is:
inlet
'small cove' is the definition.
(I've seen this in another clue)
This is all the clue.
(Other definitions for inlet that I've seen before include "An entrance or opening" , "Bay, cove" , "Strip of water extending from sea into land" , "Small opening of coastline" , "A small creek or cove" .)