Lewis & Short

Cassĭus, a [old form Casseius; hence, Cassīus, and from this Cassĭus is formed; cf. Ritschl de Sepulcro Fur.], the name of a Roman gens; esp. distinguished,

  1. I. L. Cassius Longinus Ravilla, a very severe judge; from him the Lex tabellaria Cassia proceeded, A. U. C. 617, by which the judges were obliged to vote with little tablets, Cic. Leg. 3, 16, 35; id. Sest. 48, 103; id. Brut. 25, 97; 27, 106; and Ascon. Cic. Verr. 1, 1, 10, § 30.
    1. B. Hence, Cassĭānus, a, um, adj., of Cassius, Cic. Mil. 12, 32; id. Phil. 2, 14, 35.
  2. II. The consul L. Cassius, who, A.U.C. 647, was conquered and slain by the Helvetii, Caes. B. G. 1, 7 and 12.
    Hence, bellum Cassianum, Caes. B. G. 1, 13.
  3. III. C. Cassius Longinus, one of the murderers of Cœsar, Vell. 2, 46; 2, 56 sq.; Suet. Caes. 80 sq.; id. Aug. 10; Tac. A. 1, 2; 1, 10; 4, 34; id. H. 2, 6 al. To him were addressed Cic. Fam. 12, 1-10; from him to Cic., ib. 12, 11-13.
    Hence, Cassianae partes, his adherents, Vell. 2, 74.
  4. IV. C. Cassius Longinus, a distinguished jurist under Claudius; his adherents were Cassiani and Cassiana schola, Dig. 1, 1, 2; Plin. Ep. 7, 24, 8; Tac. A. 12, 12.
  5. V. After a Cassius not now known was named the Cassia Via, a branch of the Via Flaminia, Cic. Phil. 12, 9, 22; cf. Paul. ex Fest. p. 48 Müll.