Westward of Scottish isle there’s cold breeze (5)
I believe the answer is:
cinch
'breeze' is the definition.
(thesaurus)
'westward of scottish isle there's cold' is the wordplay.
'westward of' is a charade indicator (letters next to each other).
'scottish isle' becomes 'inch' (Scottish term meaning 'isle').
'there's cold' becomes 'c' (I can't justify this - if you can you should give a lot more credence to this answer).
'inch' after 'c' is 'CINCH'.
(Other definitions for cinch that I've seen before include "Doddle" , "In slang, a certainty or easy task" , "simple job" , "Something easily done" , "piece of cake" .)