drill (v.) Copy link Outline I. To pierce with a small holeII. To train and exercise troops1. exerceo, 22. exercĭto, 13. instĭtuo, i, ūtum, 3 • drill (v.): I. To pierce with a small hole: fŏro, tĕrebro, 1: v. to bore. II. To train and exercise troops: 1. exerceo, 2: to assemble troops and d. them, copias cogere, ex., Caes.: Veg. 2. exercĭto, 1: Veg.: v. to discipline. 3. instĭtuo, i, ūtum, 3: to d. recruits, tirones ins., Veg.: v. to train.