Bunch of feathers (5)
I believe the answer is:
plume
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">bunch of feathers</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 plume that I've seen before include "Feather; wisp of e.g. smoke" , "Conspicuous feather of a bird" , "Smoke when rising" , "A fancy feather" , "Feather; column of smoke" .)