hillock Copy link Outline 1. tŭmŭlus (cf. HILL, 2)2. grūmus (a small heap of earth, etc. • hillock: 1. tŭmŭlus (cf. hill, 2): a h. of earth of considerable size, t. terrenus satis grandis, Caes. B. G. 1, 43: v. mound. 2. grūmus (a small heap of earth, etc.: rare): Col.: Auct. B. Hisp.