drill definition

1. a tool with a sharp point and cutting edges for making holes in hard materials (usually rotating rapidly or by repeated blows)
2. similar to the mandrill but smaller and less brightly colored
3. (military) the training of soldiers to march (as in ceremonial parades) or to perform the manual of arms
4. train in the military, e.g., in the use of weapons
5. learn by repetition
• examples: We drilled French verbs every day
• examples: Pianists practice scales
6. teach by repetition
7. undergo military training or do military exercises