(1):

(n.) A winged animal; wild fowl; game.

(2):

(a.) Capable of wasting away, or of easily passing into the aeriform state; subject to evaporation.

(3):

(a.) Fig.: Light-hearted; easily affected by circumstances; airy; lively; hence, changeable; fickle; as, a volatile temper.

(4):

(a.) Passing through the air on wings, or by the buoyant force of the atmosphere; flying; having the power to fly.