Distress signal; skirt feature (5)
I believe the answer is:
flare
<span class="explanation-format__ClueExplanation">I believe this clue is a double definition.<br/ ><br/ >'<span class="explanation-format__original">distress signal</span>' is the first definition.<br/ ><span class="explanation-format__explanation">(I've seen this in another clue)</span><br/ ><br/ >'<span class="explanation-format__original">skirt feature</span>' is the second definition.<br/ ><span class="explanation-format__explanation">(I've seen this in another clue)</span><br/ ><br/ ></span>
(Other definitions for flare that I've seen before include "Burn with sudden brightness" , "Warning light" , "signalling light" , "Widen out like a bell" , "Burst into sudden activity or anger" .)