Scottish hillside (4)
I believe the answer is:
brae
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">scottish hillside</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this before)</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for brae that I've seen before include "Slope on hill or in glen" , "Sloping hillside" , "Bank of Scotland" , "Steep bank or hillside" , "Sloping bank (Scottish)" .)