† ˈbigate,a. (n.) [ad. L. bigātus, f.biga: see biga.] (A coin) bearing the figure of a biga. 1600Holland Livy xxxiii. xxiii. 838 Hee had..of silver coine in bigate pieces [L. bigāti] 532000.1656Blount Glossogr., Bigat (bigātus) was a piece of Roman silver Coyn.