drill

(noun) a tool with a sharp point and cutting edges for making holes in hard materials (usually rotating rapidly or by repeated blows).

(noun) similar to the mandrill but smaller and less brightly colored. Synonyms: Mandrillus leucophaeus.

(noun) systematic training by multiple repetitions. Synonyms: exercise, practice, practice session, recitation. Example: "Practice makes perfect."

(noun) (military) the training of soldiers to march (as in ceremonial parades) or to perform the manual of arms.

(verb) make a hole, especially with a pointed power or hand tool. Synonyms: bore. Examples: "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."

(verb) train in the military, e.g., in the use of weapons.

(verb) learn by repetition. Synonyms: exercise, practice, practise. Examples: "We drilled french verbs every day." "Pianists practice scales."

(verb) teach by repetition.

(verb) undergo military training or do military exercises.