† ˈexientChronol.Obs.rare. [ad. L. exiens, pr.pple. of exīre: see exit n.Cf.transient.] Preceded by a numeral: The (first, second, etc.) year reckoned from any epoch. 1677Cary Chronol. 67The fourth Exient of the sixth Olympiad.Ibid. 223 The 3rd exient of Asa.