I.a bail, security, surety (in gen., while praes is confined to pecuniary matters; cf. “also sponsio): vas appellatus, qui pro altero vadimonium promittebat,” Varr. L. L. 6, 74 Müll.: “vas factus est alter (Damon) ejus sistendi, ut si ille non revertisset, moriendum esset ipsi,” Cic. Off. 3, 10, 45: “vades poscere,” id. Rep. 2, 36, 61: “se dare vadem pro amico,” id. Fin. 2, 24, 79: “deserere vades,” Liv. 39, 41, 7; Hor. S. 1, 1, 11 Heind.—
B. Trop.: “vestram virtutem rerum quas gesturus sum, vadem praedemque habeo,” Curt. 9, 2, 25.