Any of a number of breeds of domestic fancy pigeon, Columba livia domestica, descendants of the wild rock pigeon, Columba livia, of the family Columbidae (pigeons and doves) (originally bred for their peculiar gurgling voice, a prolonged coo called "trumpeting" or "drumming").

Alternative form of carrier pigeon

A domestic pigeon which transports attached messages or very small parcels from the place where it is released to a familiar destination.

Synonym of homing pigeon

The common guillemot.

plural of sea pigeon

Having a breast like a pigeon's, the sternum being so prominent as to constitute a deformity.

cowardly

timid; easily frightened; chicken-hearted

plural of cock pigeon