(1):

(n.) The departure of a player from the stage, when he has performed his part.

(2):

He (or she ) goes out, or retires from view; as, exit Macbeth.

(3):

(n.) Any departure; the act of quitting the stage of action or of life; death; as, to make one's exit.

(4):

(n.) A way of departure; passage out of a place; egress; way out.