I.Casual, fortuitous (post-class. and very rare): “condicio,” depending upon chance, Cod. Just. 6, 51, 1, § 7.—Adv.: cāsŭālĭter , accidentally, Sid. Ep. 9, 11; Fulg. Myth. 1, 5.—
II. In gram., relating to or declined with cases: “Casuale, utabequo: equum,” Varr. L. L. 8, § 52, p. 116 Bip.; cf. id. ib. 10, § “18, p. 164 Bip.: formae,” Prisc. p. 672 P. al.