| drill | (noun) systematic training by multiple repetitions | Synonyms: exercise, practice, practice session, recitation |
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| (noun) (military) the training of soldiers to march (as in ceremonial parades) or to perform the manual of arms | - |
| (noun) similar to the mandrill but smaller and less brightly colored | Synonyms: Mandrillus leucophaeus |
| (noun) a tool with a sharp point and cutting edges for making holes in hard materials (usually rotating rapidly or by repeated blows) | - |
| drilling | (noun) the act of drilling a hole in the earth in the hope of producing petroleum | Synonyms: boring, oil production |
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| (noun) the act of drilling | Synonyms: boring |