Source : Webster's Revised Unabridged Dictionary (1913)

Appellee \Ap`pel*lee"\, n. [F. appel['e], p. p. of appeler, fr.
   L. appellare.] (Law)
   (a) The defendant in an appeal; -- opposed to {appellant}.
   (b) The person who is appealed against, or accused of crime;
       -- opposed to {appellor}. --Blackstone.