jackhammer

[ jak-ham-er ]
/ ˈdʒækˌhæm ər /

noun

a portable drill operated by compressed air and used to drill rock, break up pavement, etc.

Nearby words

  1. jackeroo,
  2. jacket,
  3. jackey,
  4. jackfish,
  5. jackfruit,
  6. jackie,
  7. jackie tar,
  8. jacking engine,
  9. jackknife,
  10. jackknife-fish

Origin of jackhammer

An Americanism dating back to 1925–30; jack1 + hammer

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for jackhammer



British Dictionary definitions for jackhammer

jackhammer

/ (ˈdʒækˌhæmə) /

noun

a hand-held hammer drill, driven by compressed air, for drilling rocks, etc
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

Word Origin and History for jackhammer

jackhammer

n.

also jack hammer, 1903, from jack (n.) + hammer (n.). As a verb by 1965.

Online Etymology Dictionary, © 2010 Douglas Harper