bill 2
(bĭl)
(bĭl)n.
1. A structure projecting from the head of a bird, consisting of the jaws and their horny covering and including the upper and lower mandibles; a beak.
2. A similar horny mouth part, such as that of a turtle.
3. The visor of a cap.
4. Nautical The tip of the fluke of an anchor.
intr.v. billed, bill·ing, bills
Idiom: To touch beaks together.
bill and coo
To kiss or caress and murmur endearments.
[Middle English, from Old English bile.]