Smiles broadly (5)
I believe the answer is:
beams
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">smiles broadly</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this in another clue)</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for beams that I've seen before include "Smiles; joists" , "Shines" , "Rays of light" , "Smiles broadly or sunnily" .)