Lewis & Short

Gracchus, i, m.,

  1. I. a Roman family name in the gens Sempronia; the most celebrated are the two brothers Ti. and C. Sempronius Gracchus, sons of Ti. Sempronius and Cornelia, daughter of Scipio Africanus the elder, Cic. Brut. 86, 296; id. Phil. 7, 6, 17: Cornelia, mater Gracchorum, id. Brut. 58, 210; Juv. 6, 168: Gracchi de seditione querentes, id. 2, 24.
  2. II. Deriv.
    1. A. Gracchā-nus, a, um, adj., of or belonging to a Gracchus, Gracchan: judices, i. e. the knights who were made judges by a law of C. Gracchus, Cic. Brut. 34, 128: tumultus, Val. Max. 1, 1: mala, Sen. Brev. Vit. 6.
    2. B. Grac-chūris, ĭdis, f., a town in Spain founded by Ti. Sempronius Gracchus: Ti. Sempronius Gracchus proconsul Celtiberos victos in deditionem accepit, monumentumque operum suorum Gracchurim oppidum in Hispania constituit, Liv. Ep. 41; cf. Paul. ex Fest. p. 97 Müll.
      Hence, Gracchū-rĭtāni, ōrum, m., the inhabitants of Gracchuris, Plin. 3, 3, 4, § 24.