drill -- ((military) the training of soldiers to march (as in ceremonial parades) or to perform the manual of arms)
Overview of verb drill
The verb drill has 5 senses
bore, drill -- (make a hole, especially with a pointed power or hand tool; "don't drill here, there's a gas pipe"; "drill a hole into the wall"; "drill for oil"; "carpenter bees are boring holes into the wall")
drill -- (train in the military, e.g., in the use of weapons)
drill, exercise, practice, practise -- (learn by repetition; "We drilled French verbs every day"; "Pianists practice scales")
drill -- (teach by repetition)
drill -- (undergo military training or do military exercises)