Cook's garment (5)
I believe the answer is:
apron
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">cook's garment</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 apron that I've seen before include "Front stage; protective garment" , "something befitting kitchen-sink drama?" , "Kitchen garment or airfield area" , "Pinny -part of the fairway leading onto the green" , "Protective wear - type of stage" .)