Bird's beak (4)
I believe the answer is:
bill
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">bird's beak</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 bill that I've seen before include "statement of money owed" , "Police statement" , "Draft law; man's name" , "Account - legislation" , "Note - police - invoice - list" .)