Syn`al*lag*mat"ic, a. [Gr. &?;, from &?; a mutual agreement, contract, fr. &?; to exchange, negotiate with; sy`n with + &?; to change.] (Law) Imposing reciprocal obligations upon the parties; as, a synallagmatic contract. Bouvier.

Syn`al*lag*mat"ic, a. [Gr. &?;, from &?; a mutual agreement, contract, fr. &?; to exchange, negotiate with; sy`n with + &?; to change.] (Law) Imposing reciprocal obligations upon the parties; as, a synallagmatic contract. Bouvier.