NOUN (1)

1. an extra or repeated performance; usually given in response to audience demand;


VERB (1)

1. request an encore, from a performer;

The Collaborative International Dictionary of English v.0.48:

Encore \En`core"\, adv. or interj. [F. The last part of the word
   is fr. L. hora hour. See Hour.]
   Once more; again; -- used by the auditors and spectators of
   plays, concerts, and other entertainments, to call for a
   repetition of a particular part.
   [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Encore \En`core"\, n.
   A call or demand (as, by continued applause) for a
   repetition; as, the encores were numerous.
   [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Encore \En`core"\, v. t. [imp. & p. p. Encored; p. pr. & vb.
   n. Encoring.]
   To call for a repetition or reappearance of; as, to encore a
   song or a singer.
   [1913 Webster]

         [Rebecca] insisted upon encoring one of the duets.
                                                  --Thackeray.
   [1913 Webster]

WordNet (r) 3.0 (2006):

encore
    n 1: an extra or repeated performance; usually given in response
         to audience demand
    v 1: request an encore, from a performer

Moby Thesaurus II by Grady Ward, 1.0:

45 Moby Thesaurus words for "encore":
   acclaim, acclamation, afresh, again, anew, another time, applause,
   big hand, bis, burst of applause, cheer, clap, clapping,
   clapping of hands, da capo, de novo, ditto, echo, eclat, freshly,
   from the beginning, hand, handclap, handclapping, hear, new, newly,
   once again, once more, ovation, over, over again, plaudit,
   popularity, repeat, repeat performance, replay, replaying, reprise,
   return match, round of applause, thunder of applause, twice over,
   two times, yet again