Gr. Antiq. [ad. Gr. συνωμοσία, f. συνομνύναι to confederate, f. σύν SYN- + ὀμνύναι to swear.] A political society of men leagued by oath.
1808. Mitford, Hist. Greece, xix. § 4. II. 434. There were at Athens societies called Synomosies, which bore considerable resemblance to our political clubs.
