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hammer drill

noun

a rock drill operated by compressed air in which the boring bit is not attached to the reciprocating piston
an electric hand drill providing hammering in addition to rotating action

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Nearby words

  1. hammer and sickle,
  2. hammer and tongs,
  3. hammer away at,
  4. hammer beam,
  5. hammer blow,
  6. hammer finger,
  7. hammer mill,
  8. hammer out,
  9. hammer pond,
  10. hammer price
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012