Emily Dickinson Lexicon

AM'BI-DEX-TER, n. [L. ambo, both, and dexter, the right hand.]

1. A person who uses both hands with equal facility.
2. A double dealer; one equally ready to act on either side in party disputes. [This sense is used in ludicrous language.]
3. In law, a juror who takes money from both parties, for giving his verdict; an embracer. – Cowel.