Soft breeze (6)
I believe the answer is:
zephyr
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">soft breeze</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 zephyr that I've seen before include "Light wind" , "A light gentle breeze" , "fine cotton fabric" , "Balmy breeze" , "Slight breeze" .)