资料来源 : Webster's Revised Unabridged Dictionary (1913)

Bill \Bill\, v. i. [imp. & p. p. {Billed}; p. pr. & vb. n.
   {Billing}.]
   1. To strike; to peck. [Obs.]

   2. To join bills, as doves; to caress in fondness. ``As
      pigeons bill.'' --Shak.

   {To bill and coo}, to interchange caresses; -- said of doves;
      also of demonstrative lovers. --Thackeray.

Billed \Billed\, a.
   Furnished with, or having, a bill, as a bird; -- used in
   composition; as, broad-billed.

资料来源 : WordNet®

billed
     adj : having a beak or bill as specified; "a thick-billed bird";
           "a long-billed cap"