1. Machinery, Building Trades.
• a shaftlike tool with two or more cutting edges for making holes in firm materials, especially by rotation.
• a tool, especially a hand tool, for holding and operating such a tool.
2. Military.
• training in formal marching or other precise military or naval movements.
• an exercise in such training: gun drill.
3. any strict, methodical, repetitive, or mechanical training, instruction, or exercise: a spelling drill.
4. the correct or customary manner of proceeding.
5. a gastropod, Urosalpinx cinera, that bores holes in shellfish, as oysters.

6. to pierce or bore a hole in (something).
7. to make (a hole) by boring.
8. to instruct and exercise (military trainees) in formation marching and movement, in the carrying of arms during formal marching, and in the formal handling of arms for ceremonies and guard duty.
9. to impart (knowledge) by strict training, discipline, or repetition.
10. to train or rehearse (a person or group) in a subject, discipline, etc., by guided repetition, quizzing, and other techniques.

11. to pierce or bore something with or as with a drill.
12. to penetrate deeply beneath the ground or the seafloor with specialized machinery to search for deposits or reservoirs of a natural substance: to drill for oil.
13. to go through exercise in military or other training.

14. drill down,
• to move through a hierarchical system in order to view data at a lower level, as to find a specific file or database record.
• to access and examine something more thoroughly or in more detail:Now that you have the big picture, let’s drill down to some technical facts and statistics.

1. a small furrow made in the soil in which to sow seeds.
2. a row of seeds or plants thus sown.
3. a machine for sowing in rows and for covering the seeds when sown.

4. to sow (seed) in drills.
5. to sow or plant (soil, a plot of ground, etc.) in drills.

6. to sow seed in drills.

1. a strong, twilled cotton fabric.

1. a large, baboonlike monkey, Mandrillus leucophaeus, of western Africa, similar to the related mandrill but smaller and less brightly colored: now endangered.

1. a rotating tool that is inserted into a drilling machine or tool for boring cylindrical holes
2. a hand tool, either manually or electrically operated, for drilling holes
3. military
• training in procedures or movements, as for ceremonial parades or the use of weapons
• (as modifier)
4. strict and often repetitious training or exercises used as a method of teaching
5. correct procedure or routine
6. a marine gastropod mollusc, Urosalpinx cinera, closely related to the whelk, that preys on oysters

7. to pierce, bore, or cut (a hole) in (material) with or as if with a drill
8. to instruct or be instructed in military procedures or movements
9. to teach by rigorous exercises or training
10. to hit (a ball) in a straight line at great speed
11. to riddle with bullets

1. a machine for planting seeds in rows or depositing fertilizer
2. a small furrow in which seeds are sown
3. a row of seeds planted using a drill

4. to plant (seeds) by means of a drill

1. a hard-wearing twill-weave cotton cloth, used for uniforms, etc

1. an Old World monkey, Mandrillus leucophaeus, of W Africa, related to the mandrill but smaller and less brightly coloured

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