Shine or gleam (7)
I believe the answer is:
radiate
<span class="explanation-format__ClueExplanation">I believe this clue is a double definition.<br/ ><br/ >'<span class="explanation-format__original">shine</span>' is the first definition.<br/ ><span class="explanation-format__explanation">(I know that shine can be written as radiate)</span><br/ ><br/ >'<span class="explanation-format__original">gleam</span>' is the second definition.<br/ ><span class="explanation-format__explanation">(I know this)</span><br/ ><br/ ></span>
(Other definitions for radiate that I've seen before include "Give out (light, etc)" , "Disseminate" , "Spread outwards" , "broadcast" , "Emit (rays or waves)" .)