Cover for a teapot (4)
I believe the answer is:
cosy
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">cover for a teapot</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 cosy that I've seen before include "Warm, secure" , "Intimate" , "Warm and snug" , "Warm and comfortable" , "Comfy and snug" .)