A bill is a written statement of money that you owe for goods or services.
boat-billed heron
a nocturnal , tropical American wading bird ( Cochlearius cochlearius ) with a large, broad bill : it is the only member of a family (Cochleariidae) of wading birds
pied-billed grebe
a common American grebe ( Podilymbus podiceps ) with a black band around its bill , except in the winter
duck-billed dinosaur
any of various ornithopod dinosaurs having a flat head, a ducklike bill , and numerous , small, flat teeth for grinding plants
duck-billed platypus
an amphibious egg-laying mammal, Ornithorhynchus anatinus, of E Australia, having dense fur , a broad bill and tail, and webbed feet: family Ornithorhynchidae
ivory-billed woodpecker
a large, white-billed, black-and-white woodpecker ( Campephilus principalis ) formerly found in the SE U.S. and Cuba : it is possibly extinct
razorbill
a common auk , Alca torda , of the North Atlantic , having a thick laterally compressed bill with white markings
boatbill
a nocturnal tropical American wading bird, Cochlearius cochlearius , similar to the night herons but with a broad flattened bill : family Ardeidae , order Ciconiiformes
helldiver
a small greyish-brown North American grebe , Podilymbus podiceps, with a small bill
duckbill
→ platypus
hadrosaur
any one of a large group of bipedal Upper Cretaceous dinosaurs of the genus Anatosaurus , Maiasaura , Edmontosaurus , and related genera: partly aquatic , with a duck-billed skull and webbed feet