n. The young of any fowl.n. A feathered vertebrate animal of the class Aves, frequently included with reptiles in a superclass Sauropsida, but distinguished by having warm blood, by being covered with feathers, and by having the fore limbs so modified as to form wings. See Aves.n. Any small feathered game, as a partridge, quail, snipe, or woodcock, as distinguished from water-fowl, etc.n. In astronomy, a southern constellation. See Apus, 1.To catch birds; go bird-shooting or fowling.Hence To look for plunder; thieve.n. A maiden; a girl; a young woman.n. [In this, as in other modern instances, the word is archaic, and is probably associated with bird as a term of endearment.]