A female given name from English. / An effective or child's term for any (small) bird. (1999: Oxford Dictionary of Slang, p. 130)

(comical) happy birthday to you

A surname.

plural of Birden

plural of birdeye

A position looking down from above, either literally or figuratively (providing an overview). / An eye that is birdlike, especially one with an unblinking stare or with very keen eyesight.

present participle of birdcall

plural of birdcaller

simple past tense and past participle of birdcall

(rare) Someone who birdcalls; someone who imitates the cry of a bird.