Lewis & Short

1. tēmo, ōnis, m. [root tek-; cf.: texo, telum], a beam, pole, tongue of a plough, carriage, cart, etc.

  1. I. Lit., Varr L. L. 7, § 73; Col. 6, 2, 7; Cic. poët. N. D. 2, 42, 109; Verg. G. 3, 173; Ov. M. 2, 107; 11, 258 al.
  2. II. Transf.
    1. A. (Pars pro toto.) A wagon (poet.): de temone Britanno Excidet Arviragus, Juv. 4, 126.
      1. 2. The constellation called the Wain or Wagon of Bootes, Charles’s Wain, Enn. ap. Varr. L. L. 7, § 73 (Trag. v. 245 Vahl.); Stat. Th. 1, 370; 1, 692; cf. Cic. 1. 1.; Ov. M. 10, 447.
    2. B. A pole, Col. 6, 19, 2.