Cooker top (3)
I believe the answer is:
hob
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">cooker top</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 hob that I've seen before include "Cooker top" , "hot spot" , "Top of stove" , "Cooker ring" , "Cooking appliance" .)