Lewis & Short

Attĭus or Accĭus (both forms are equally attested; Attius predominated under the empire, and the Greeks always wrote Ἄττιος. Teuffel), ii, m., = Ἄττιος, a Roman proper name.

  1. I. L. Attius, a distinguished Roman poet of the ante-class. per., younger than Pacuvius, and his rival in tragedy and comedy. Of his poems a considerable number of fragments yet remain; cf. Bähr, Lit. Gesch. pp. 44 and 45; Teuffel, Rom. Lit. § 49, and Schmid ad Hor. Ep. 2, 1, 56.
    Hence,
    1. B. Attĭānus (Acc-), a, um, adj., of or pertaining to Attius: versus, Cic. Fam. 9, 16, 4: Attianum illud: nihil credo auguribus, Gell. 14, 1, 34.
  2. II. Attius Navius, a soothsayer, who, in the presence and at the bidding of Tarquinius Priscus, cut in pieces a stone with a razor, Liv. 1, 36; Val. Max. 1, 4, n. 1; Cic. Div. 1, 17, 31 sqq.; 2, 38, 80.
  3. III. P. Attius Varus, a prœtor in Africa at the time of the civil war between Cœsar and Pompey, Caes. B. C. 1, 13; Cic. Att. 7, 13.
    Hence,
    1. B. Attĭānus, a, um, adj., of or pertaining to Attius: milites, Caes. B. C. 1, 13: legiones, Cic. Att. 7, 15 and 20.
  4. IV. T. Attius, an orator of Pisaurum, in the time of Cicero, Cic. Clu. 23.