Lewis & Short

vĕtĕrīnus, a, um, adj. [contr. from vehiterinus, from veho; cf. Fest. p. 369 Müll.], of or belonging to carrying or drawing burdens.

  1. I. Adj.: bestia, a beast of burden or draught, Cato ap. Fest. p. 369; called also pecus, Arn. 3, 139: genus, Plin. 11, 46, 106, § 255; hence also: semen equorum, Lucr. 5, 890 (887); so, semen, id. 5, 865 (862).
    1. B. Substt.: vĕtĕrīnae, ārum, f., and vĕ-tĕrīna, ōrum, n., draught-cattle, beasts of burden, Varr. R. R. 1, 38, 3; Plin. 11, 37, 64, § 168; 11, 50, 111, § 265.
  2. II. Of or belonging to beasts of burden: ars, the art of healing domestic animals, Veg. Vet. praef. 1.