Chef's hat (5)
I believe the answer is:
toque
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">chef's hat</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this before)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for toque that I've seen before include "may be over head" , "Sri Lankan monkey" , "Chef's tall hat" , "protection for the head" , "Small brimless hat" .)