Lewis & Short

sanguĭnārĭus, a, um (also late Lat. sanguĭnāris, e, Vulg. Ecclus. 42, 5), adj. [sanguis], of or belonging to blood, blood-,

  1. I. Lit.: herba, an herb that stanches blood, the Gr. πολύγονον, Col. 7, 5, 19; also called sanguinaria alone, Plin. 27, 12, 91, § 113, and sanguinalis herba, Col. 6, 12 fin.; Cels. 2, 33; 3, 22 fin.: latus sanguinare, covered with blood, Vulg. Ecclus. 42, 5.
  2. II. Trop., blood-thirsty, bloody, sanguinary (rare but class.): juventus, Cic. Att. 2, 7, 3: Claudius (with saevus), Suet. Claud. 34: bella (with cruenta), Just. 29, 3, 3: sententiae, Plin. Ep. 4, 22, 6: illud responsum, Plin. 19, 8, 53, § 169.