drill

from The American Heritage® Dictionary of the English Language, 5th Edition.

• noun A large monkey (Mandrillus leucophaeus) of west-central African forests, having an olive brown body and a brightly colored face and resembling the mandrill.
• noun Durable cotton or linen twill of varying weights, generally used for work clothes.
• noun An implement with cutting edges or a pointed end for boring holes in hard materials, usually by a rotating abrasion or repeated blows; a bit.
• noun The hand-operated or hand-powered holder for this implement.
• noun A loud, harsh noise made by or as if by a powered tool of this kind.
• noun Disciplined, repetitious exercise as a means of teaching and perfecting a skill or procedure.
• noun A task or exercise for teaching a skill or procedure by repetition.
• noun The training of soldiers in marching and the manual of arms.
• noun Any of various marine gastropod mollusks, chiefly of the genus Urosalpinx, that bore holes into the shells of bivalve mollusks. U. cinera is destructive to oysters.
• intransitive verb To make a hole in (a hard material) with a drill.
• intransitive verb To make (a hole) with or as if with a drill.
• intransitive verb To strike or hit sharply.
• intransitive verb To instruct thoroughly by repetition in a skill or procedure.
• intransitive verb To infuse knowledge of or skill in by repetitious instruction: synonym: teach.
• intransitive verb To train (soldiers) in marching and the manual of arms.
• intransitive verb To make a hole with or as if with a drill.
• intransitive verb To perform a training exercise.
• noun A shallow trench or furrow in which seeds are planted.
• noun A row of planted seeds.
• noun A machine or implement for planting seeds in holes or furrows.
• transitive verb To sow (seeds) in rows.
• transitive verb To plant (a field) in drills.

from The Century Dictionary.

• To trill; trickle; flow gently.
• To drain; draw off in drains or streams: as, water drilled through a boggy soil.
• noun In zoology, a baboon.
• noun Specifically, Mormon or Cynocephalus leucophæus, a baboon of western Africa, closely related to the mandrill, but smaller, with a black visage, and a stumpy erect tail scarcely two inches long.
• noun A trade-name for drilling: often used in the plural.
• noun A sip, as of water.
• noun A rill.
• To pierce or make a hole in with a drill or a similar tool, or as if with a drill.
• To make with a drill: as, to drill a hole.
• 3 To wear away or waste slowly.
• To instruct and exercise in military tactics and the use of arms; hence, to train in anything with the practical thoroughness characteristic of military training.
• On American railroads, to shift (cars or locomotives) about, or run them back and forth, at a terminus or station, in order to get them into the desired position.
• 6 To draw on; entice; decoy.
• [⟨ drill, n., 4.] In agri.: To sow in rows, drills, or channels: as, to drill wheat.
• To sow with seed in drills: as, the field was drilled, not sown broadcast.
• To go through exercises in military tactics.
• To sow seed in drills.
• noun A tool for boring holes in metal, stone, or other hard substance; specifically, a steel cutting-tool fixed to a drill-stock, bow-lathe, or drilling-machine. See cuts under bow-drill, brace-drill, and cramp-drill.
• noun In mining, a borer: the more common term in the United States.
• noun In agriculture, a machine for planting seeds, as of grasses, wheat, oats, corn, etc., by dropping them in rows and covering them with earth.
• noun A row of seeds deposited in the earth.
• noun The trench or channel in which the seeds are deposited.
• noun A shell-fish which is destructive to oyster-beds by boring into the shells of young oysters.
• noun The act of training soldiers in military tactics; hence, in general, the act of teaching by repeated exercises.