Source : Webster's Revised Unabridged Dictionary (1913)

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.

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