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.
n. - A call or demand (as, by continued applause) for a repetition; as, the encores were numerous.
v. t. - To call for a repetition or reappearance of; as, to encore a song or a singer.