Forehead (4)
I believe the answer is:
brow
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">forehead</span>' is the definition.<br/ ><span class="explanation-format__explanation">(synonyms)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for brow that I've seen before include "Forehead, sometimes knitted" , "Top of hill - part of face" , "Forehead or hill summit" , "Surprised one can raise this" , "Forehead - hilltop" .)