Arátrum, huius arátri, pen. prod. Cic.A plough.Aduncum aratrum.Ouid.Assiduo satiatus aratro Agricola. Tibul. Curuum.Virg.Depreslum.Virg.Thrust into the earth.Durum. Horat. Circunducere aratrum. Cic.Emeritum aratrum.Ouid.That can be no more occupied.Graue. Horat. Weighty.Incuruum.Virg. Inflexum. Virg.Patiens.Ouid. Ruricola aratium. Ouid.Vertentia glebas aratra.Ouid. Vncum aratrum. Virg.Aratra defixa in medio opere relinquere Virg.Detrectat aratra taurus. Propert. Will not abide to draw: or be yoked in the plough.Extrahere aratrum.Cic. Incumbere aratris. Virg.Terram moliri aratro.Virg.To till.Tetram proscindere aratris. Lucret. Scindere terram aratro. Sil. Taurus aratra subit Ouid.
Lewis and Short: Latin dictionary
ărāter, tri, m. (a rare form for aratrum), a plough, Hyg. Limit. p. 204 Goes.
ărātrum, i, n. [a)/rotron], a plough (the inventor of which was Byzyges, acc. to Plin. 7, 56, 57, 199; or Triptolemus, acc. to Verg. G. 1, 19. The parts of it were temo, stiva, manicula, vomer, buris, aures, and dentale. For a description of it, v. Verg. G. 1, 162 sqq.; Pauly's Real-Ency. I. pp. 665 sq.; and Smith, Dict. Antiq.); Lucr. 1, 313; 5, 219: curvi moderator aratri, id. 5, 933, and id. 6, 1251; Cic. Rosc. Am. 18; id. Agr. 2, 25; id. N. D. 2, 63, 159; Verg. G. 1, 19; 1, 170 et saep.: imprimere aratrum muris, to press the plough into the walls (of a town), i. e. to turn a town into arable land, to destroy completely, Hor. C. 1, 16, 20; cf. Sen. Clem. 1, 26, 4; used for marking the boundaries of new towns, Cic. Phil. 2, 40: Aeneas urbem designat aratro, Verg. A. 5, 755, ubi v. Serv.; Cato ap. Isid. Orig. 15, 2; Inscr. Orell. 3683.