Mould or model (5)
I believe the answer is:
shape
<span class="explanation-format__ClueExplanation">I believe this clue is a double definition.<br/ ><br/ >'<span class="explanation-format__original">mould</span>' is the first definition.<br/ ><span class="explanation-format__explanation">(I know that mould can be written as shape)</span><br/ ><br/ >'<span class="explanation-format__original">model</span>' is the second definition.<br/ ><span class="explanation-format__explanation">(thesaurus)</span><br/ ><br/ ></span>
(Other definitions for shape that I've seen before include "Mould into new phase" , "Form; mould" , "Good physical form" , "For good physical condition" , "Square, circle, etc." .)