Nut — loaf (4)
I believe the answer is:
head
<span class="explanation-format__ClueExplanation">I believe this clue is a double definition.<br/ ><br/ >'<span class="explanation-format__original">nut</span>' is the first definition.<br/ ><span class="explanation-format__explanation">(I've seen this in other clues)</span><br/ ><br/ >'<span class="explanation-format__original">loaf</span>' is the second definition.<br/ ><span class="explanation-format__explanation">(I've seen this in other clues)</span><br/ ><br/ ></span>
(Other definitions for head that I've seen before include "Froth on beer" , "Edible part of cabbage" , "Leader; water pressure" , "Source of river, leader" , "See 14" .)