Lewis & Short

pĕcŭārĭus, a, um, adj. [pecu],

  1. I. of or belonging to cattle: res pecuaria, Plaut. Truc. 1, 2, 45: pecuarii greges, herds of cattle, Varr. R. R. 2, 5, 17: quaestio, id. ib. 2, 2, 1: negotiatio, Col. 8, 1, 1: canis, id. 7, 12, 8: res, a stock of cattle, live stock, Cic. Quint. 3, 12.
  2. II. Subst.
    1. A. pĕcŭārĭus, ii, m.
      1. 1. A cattle-breeder, grazier, Varr. R. R. 2, 4: diligentissimus agricola et pecuarius, Cic. Deiot. 9, 27.
      2. 2. A farmer of the public pastures: damnatis aliquot pecuariis, Liv. 10, 47, 4; Inscr. Don. cl. 9, n. 13.
    2. B. pĕcŭārĭa, ae, f., a stock of cattle: omnis pecuariae pecus fundamentum, Varr. R. R. 2, 1: ipse pecuarias habui grandes, in Apuliā oviarias, in Reatino equarias, id. ib. 2, praef. § 6; 2, 1, 3.
      Also, cattle-breeding: librum de pecuariā, Varr. R. R. 3, 1 fin.
    3. C. pĕcŭārĭa, ōrum, n., herds of cattle: mitte in Venerem pecuaria primus, Verg. G. 3, 64; Pers. 3, 9; Plin. 8, 9, 9, § 27.