Entry 1 sense Webster, 1913 Aquiferous · A·quif·er·ous · IPA /əˈkwɪfəɹəs/ 01 a. Consisting or conveying water or a watery fluid; as, aquiferous vessels; the aquiferous system. 1. Consisting or conveying water or a watery fluid; as, aquiferous vessels; the aquiferous system.