(1):
(n.) A call or demand (as, by continued applause) for a repetition; as, the encores were numerous.
(2):
(v. t.) To call for a repetition or reappearance of; as, to encore a song or a singer.
(3):
(adv. / interj.) Once more; again; - used by the auditors and spectators of plays, concerts, and other entertainments, to call for a repetition of a particular part.