Sit — pose (5)
I believe the answer is:
model
<span class="explanation-format__ClueExplanation">I believe this clue is a double definition.<br/ ><br/ >'<span class="explanation-format__original">sit</span>' is the first definition.<br/ ><span class="explanation-format__explanation">(I know that sit can be written as model)</span><br/ ><br/ >'<span class="explanation-format__original">pose</span>' is the second definition.<br/ ><span class="explanation-format__explanation">(I know that pose can be written as model)</span><br/ ><br/ ></span>
(Other definitions for model that I've seen before include "She saunters on the catwalk" , "Exemplary - mannequin" , "Perfect" , "Small-scale representation" , "Fashion - prototype" .)