Source : Webster's Revised Unabridged Dictionary (1913)

Champion \Cham"pi*on\, v. t. [imp. & p. p. {Championed}; p. pr.
   & vb. n. {Championing}.] [Obs.] --Shak.
   2. To furnish with a champion; to attend or defend as
      champion; to support or maintain; to protect.

            Championed or unchampioned, thou diest. --Sir W.
                                                  Scott.

Source : WordNet®

champion
     v : protect or fight for as a champion [syn: {defend}]

champion
     adj : holding first place in a contest; "a champion show dog"; "a
           prizewinning wine" [syn: {prizewinning}]

champion
     n 1: someone who has won first place in a competition [syn: {champ},
           {title-holder}]
     2: someone who fights for a cause [syn: {fighter}, {hero}, {paladin}]
     3: a person who backs a politician or a team etc.; "all their
        supporters came out for the game"; "they are friends of
        the library" [syn: {supporter}, {protagonist}, {admirer},
        {booster}, {friend}]
     4: someone who is dazzlingly skilled in any field [syn: {ace},
        {adept}, {sensation}, {maven}, {mavin}, {virtuoso}, {genius},
         {hotshot}, {star}, {superstar}, {whiz}, {whizz}, {wizard},
         {wiz}]