list (a person or event) in a program.
they were billed to appear but didn't show up
send a note of charges to (someone).
we shall be billing them for the damage caused
(of birds, especially doves) stroke bill with bill during courtship.
Two birds, perfectly white, pink-beaked, dark-eyed, pigeons, settled on the ledge outside my window, billing and cooing as birds will in spring.