DRILL

(REGULAR ACTIVITY) [noun] [C] - an activity which practises a particular skill and involves repetition of the same thing several times, esp. a military exercise intended to train soldiers in the use of weaponsIn some of these centres, army-style drills are still used on the young offenders to instil a sense of discipline.We used to do a lot of spelling drills when I was at school."Come on, Braithwaite," our drill sergeant would shout, "work harder!"