Lewis & Short

cultĭo, ōnis, f. [1. colo].

  1. I. Agri, a cultivation, preparation of ground, agriculture, Cic. Sen. 16, 57; id. Verr. 2, 3, 97, § 226 (others, less correctly, agricultio in one word; v. agricultio): cultionis labor, Ambros. Fug. Saec. 8, 49.
  2. II. (In acc. with colo, II. B.) Veneration, reverence, Arn. 4, p. 146; 5, p. 178.