Stand for a painting (5)
I believe the answer is:
easel
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">stand for a painting</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 easel that I've seen before include "Support for artist's canvas" , "Artist's canvas suppot" , "Three-legged supporting frame" , "Picture frame" , "Constable's stand?" .)