Lewis & Short

Calpurnĭus, a, um, adj. [a Calpo Numae regis filio, Fest. p. 36],

  1. I. the name of the very distinguished Calpurnian gens: familia, Cic. Pis. 23, 53.
  2. II. Esp., as subst.
    1. A. Masc.
      1. 1. C. Calpurnius Piso, prœtor B.C. 186, Liv. 39, 6, 1; 39, 30, 1 sqq.; and consul B.C. 180, id. 40, 35, 1; 40, 37, 1.
      2. 2. L. Calpurnius Piso, consul B.C. 112, and afterwards, B.C. 107, lieutenant of Cassius, Caes. B. G. 1, 6; 1, 12; 1, 14.
      3. 3. L. Calpurnius Bestia, tribune of the people B.C. 121, consul B.C. 111, and a general against Jugurtha, Cic. Brut. 34, 128; Sall. J. 27 sqq.
      4. 4. C. Calpurnius Piso, son-in-law of Cicero, Cic. Att. 2, 24, 3; id. Sest. 24, 54 al.
      5. 5. The intimate friend of Antonius, Anton. ap. Cic. Att. 10, 8 A, 2.
      6. 6. L. Calpurnius Piso Frugi, consul with P. Mucius Scaevola, A.U.C. 621, Cic. Verr. 2, 4, 49, § 108; id. Brut. 27, 106; id. Tusc. 3, 8, 16; Val. Max. 4, 3, 11 al.
    2. B. Fem.
      1. 1. Cal-purnĭa, ae, the wife of Cœsar, Vell. 2, 57, 2.
      2. 2. The wife of Antistius and daughter of Bestia, Vell. 2, 26 fin. al.
        Hence,
  3. III. Calpurnia lex.
        1. a. De pecuniis repetundis, introduced by the tribune of the people, L. Calpurnius Piso Frugi, A.U.C. 605, Cic. Verr. 2, 3, 84, § 195; 2, 4, 25, § 56; id. Brut. 27, 106; id. Off. 2, 21, 75 Beier.
        2. b. De ambitu, by the consul C. Calpurnius Piso, A.U.C. 687, Cic. Mur. 23, 46; Corn. Fragm. Ascon. (v. 2, p. 68 Orell.); Tac. A. 15, 20.
        3. c. Militaris, Sisenn. ap. Non. p. 107, 16.
          Deriv.: Calpurnĭānus, a, um, adj., of or pertaining to a Calpurnius: equites, serving under the prœtor Calpurnius, Liv. 39, 31, 7.