Use an aerosol (5)
I believe the answer is:
spray
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">use an aerosol</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this in another clue)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for spray that I've seen before include "jet?" , "Bunch of flowers" , "Squirt water" , "Disperse in tiny drops" , "Sprinkle water on - a small bouquet" .)