Source : Webster's Revised Unabridged Dictionary (1913)

Ambidexter \Am`bi*dex"ter\, n.
   1. A person who uses both hands with equal facility.

   2. Hence: A double-dealer; one equally ready to act on either
      side in party disputes.

            The rest are hypocrites, ambidexters, so many
            turning pictures -- a lion on one side, a lamb on
            the other.                            --Burton.

   3. (Law) A juror who takes money from both parties for giving
      his verdict. --Cowell.

Ambidexter \Am"bi*dex"ter\, a. [LL., fr. L. ambo both + dexter
   right, dextra (sc. manus) the right hand.]
   Using both hands with equal ease. --Smollett.