I.the power of biting or stinging, mordacity (post-Aug.): “urticarum foliis inest aculeata mordacitas,” Plin. 21, 15, 54, § 91: “vinosa,” sharp, like sour wine, id. 21, 18, 72, § 120.— Transf., snappishness, biting severity in language, Cassiod. Hist. Eccl. 1, 12.
mordācĭtas , ātis, f. mordax,