(hypocoristic) A small bird. / (Britain, informal, from Cockney rhyming slang, used especially in negative constructions) A word; a small sound or thing.

(aviation) A collision between a bird and an aircraft, especially one that causes an accident. / (transport, by extension) Any collision between a bird and a vehicle.

Any of the family Phorusrhacidae of extinct flightless birds endemic to South America during the Cenozoic; a phorusrhacid.

(zoology) A shy, secretive, ground-dwelling passerine bird of the genus Atrichornis, found in Australia.

plural of bird colonel

plural of bird course

(US dialect) A goldfinch.

(archaic) Synonym of tui (“a species of honeyeater, Prosthemadera novaeseelandiae, a bird which is endemic to New Zealand”)

A cherry tree, Prunus padus, native to northern Eurasia. / Prunus buergeriana (Japanese bird cherry), of eastern Asia. / Prunus cornuta (Himalayan bird cherry).

An unusual or exceptional person or thing. / Used other than figuratively or idiomatically: see rare, bird.