v. 1 bore, penetrate, pierce, cut a hole The thieves drilled into the safe 2 rehearse, train, practise, exercise, teach, instruct, school, tutor, coach, indoctrinate; discipline We were thoroughly drilled in the Latin conjugations and declensions
n. 3 auger, (brace and) bit, gimlet The bit for this drill is no longer sharp 4 practice, training, repetition, exercise, rehearsal; discipline Tomorrow there will be a complete drill of the parts of speech