Clean feathers (5)
I believe the answer is:
preen
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">clean 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 preen that I've seen before include "Groom with elaborate care" , "(Of a bird) tidy and clean feathers" , "Tidy and clean (plumage)" , "Self-congratulate" , "Primp" .)