rĭgŭus

I. Act., that waters, irrigates; watering, irrigating: in vallibus amnes, Verg. G. 2, 485.—

II. Pass., watered, wellwatered: hortus, Ov. M. 8, 646; 10, 190; 13, 797: pratum, Col. 2, 16, 3: mons scatebris fontium, Plin. 5, 1, 1, § 6.—Transf.: quae plurimo lacte rigua bos est, Sol. 2.— Hence, subst.: rĭgŭa, ōrum, n., well-watered places: circa Babylonis rigua, Plin. 9, 57, 83, § 175; 17, 26, 39, § 247; so once in sing.: rĭgŭus, i, m. (sc. ager), a well-watered place, id. 17, 26, 41, § 250.