The Collaborative International Dictionary of English v.0.48:

Victor \Vic"tor\, n. [L. victor, fr. vincere, victum, to
   vanquish, to conquer. See Vanquish.]
   1. The winner in a contest; one who gets the better of
      another in any struggle; esp., one who defeats an enemy in
      battle; a vanquisher; a conqueror; -- often followed by
      at, rarely by of.
      [1913 Webster]

            In love, the victors from the vanquished fly;
            They fly that wound, and they pursue that die.
                                                  --Waller.
      [1913 Webster]

   2. A destroyer. [R. & Poetic]
      [1913 Webster]

            There, victor of his health, of fortune, friends,
            And fame, this lord of useless thousands ends.
                                                  --Pope.
      [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Victor \Vic"tor\, a.
   Victorious. "The victor Greeks." --Pope.
   [1913 Webster]

WordNet (r) 3.0 (2006):

victor
    n 1: a combatant who is able to defeat rivals [syn: victor,
         master, superior]
    2: the contestant who wins the contest [syn: winner, victor]
       [ant: also-ran, loser]