I. Blood (which flows from a wound), a stream of blood (more restricted in meaning than sanguis, which designates both that circulating in bodies and that shed by wounding): “e nostro cum corpore sanguis Emicat exsultans alte spargitque cruorem,” Lucr. 2, 194; Tac. A. 12, 47; and: “cruor inimici recentissimus,” Cic. Rosc. Am. 7, 19 (cf.: “sanguis per venas in omne corpus diffunditur,” id. N. D. 2, 55, 138 al.; v. sanguis; cf., however, under II.; class.; “most freq. in the poets): occisos homines, cruorem in locis pluribus vidisse,” id. Tull. 10, 24: “nisi cruor appareat, vim non esse factum,” id. Caecin. 27, 76: “res familiaris, cum ampla, tum casta a cruore civili,” id. Phil. 13, 4, 8; id. Mil. 32, 86; id. Inv. 1, 30, 48; Lucr. 1, 883; Sall. C. 51, 9; Plin. 23, 1, 24, § 49; Tac. A. 14, 30; id. H. 2, 21; Suet. Tib. 59; * Cat. 68, 79; Ov. M. 4, 121; 6, 253; 6, 388 et saep.; Verg. G. 4, 542; id. A. 3, 43; 5, 469 al.; Hor. C. 2, 1, 36; id. Epod. 3, 6 et saep.—In plur., Verg. A. 4, 687; Val. Fl. 4, 330; cf. the foll.—
B. Transf., bloodshed, murder: “hinc cruor, hinc caedes,” Tib. 2, 3 (38), 60; so Ov. M. 4, 161; 15, 463; Hor. S. 2, 3, 275; Luc. 9, 1022. —In plur., Hor. C. 2, 1, 5; Luc. 7, 636.—
II. Sometimes, poet., i. q. sanguis, for the blood in the body, Lucr. 2, 669; 3, 787; 5, 131; 1, 864 (for which id. 1, 860 and 867, sanguen).