(1):

(v. t.) To give notice to; to inform or apprise; to notify; to make known; hence, to warn; - often followed by of before the subject of information; as, to advertise a man of his loss.

(2):

(v. t.) To give public notice of; to announce publicly, esp. by a printed notice; as, to advertise goods for sale, a lost article, the sailing day of a vessel, a political meeting.