Definition of "drill" [drill]

  • 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: conducted an air-raid drill; a drill for learning the multiplication tables. (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

Use "drill" in a sentence
  • "HPFacebookVoteV2. init (126355, 'Congress Weans Us Off the Teat of Foreign Oil with Concessions to Offshore Drilling', 'The Republican mandate to \ "drill, baby, drill\" is shortsighted and unsustainable, yet even the most rational of Dems is now kowtowing to this call."
  • "HPFacebookVoteV2. init (336948, 'Even If They\'re Right, the Superfreakonomics Guys Only Have Half an Answer', 'The argument by the Superfreakonomics authors that we should try \ "geoengineering \" our way out of global warming seems to be a Rorschach test for the blogosphere: if you\'re the \ "drill, baby, drill\" type, you love it; if you\'re an environmentalist, you hate it."
  • "Today when they finished drilling this large hole the first thing they did was they actually started banging on that -- what they call a drill steel that goes all the way down there."