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."
3.
(Law) A juror who takes money from both parties for giving his verdict.
... scarce, nor did we ever see one of them left-handed. They are, indeed, nearly ambidexter; but the sword, the spear and the fish-gig are always used with the right hand. Their muscular force is not great; but the pliancy of their limbs renders them very active. "Give to civilized man all his machines, ... — A Complete Account of the Settlement at Port Jackson • Watkin Tench