(1):

(v. t.) To relinquish the enjoyment or advantage of; to give up; to resign; to renounce; - said of a thing already enjoyed, or of one within reach, or anticipated.

(2):

(v. t.) To quit; to relinquish; to leave.

(3):

(v. i.) To go before; to precede; - used especially in the present and past participles.