Baby pigeon (5)
I believe the answer is:
squab
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">baby pigeon</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this in another clue)</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for squab that I've seen before include "Dumpy individual" , "Flier" , "Fledgling" , "Unfledged pigeon" , "Thick cushion" .)