Source : Webster's Revised Unabridged Dictionary (1913)

Ambidextrous \Am`bi*dex"trous\, a.
   1. Having the faculty of using both hands with equal ease.
      --Sir T. Browne.

   2. Practicing or siding with both parties.

            All false, shuffling, and ambidextrous dealings.
                                                  --L'Estrange.

Source : WordNet®

ambidextrous
     adj 1: equally skillful with each hand; "an ambidextrous surgeon"
            [syn: {two-handed}] [ant: {right-handed}, {left-handed}]
     2: marked by deliberate deceptiveness especially by pretending
        one set of feelings and acting under the influence of
        another; "she was a deceitful scheming little thing"-
        Israel Zangwill; "a double-dealing double agent"; "a
        double-faced infernal traitor and schemer"- W.M.Thackeray
        [syn: {deceitful}, {double-dealing}, {duplicitous}, {Janus-faced},
         {two-faced}, {double-faced}, {double-tongued}]