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A handheld machine for drilling rock and breaking up pavement, operated by compressed air.

jack′ham′mer v.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.


(Tools) a hand-held hammer drill, driven by compressed air, for drilling rocks, etc
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014


(ˈdʒækˌhæm ər)

a portable drill operated by compressed air and used to drill rock, break up pavement, etc.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.jackhammer - a hammer driven by compressed airjackhammer - a hammer driven by compressed air  
power hammer, hammer - a power tool for drilling rocks
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.


[ˈdʒækˌhæməʳ] N (esp US) → taladradora f, martillo m neumático
Collins Spanish Dictionary - Complete and Unabridged 8th Edition 2005 © William Collins Sons & Co. Ltd. 1971, 1988 © HarperCollins Publishers 1992, 1993, 1996, 1997, 2000, 2003, 2005
References in periodicals archive ?
A ROAD worker who claims he was forced to retire because of his work with a jackhammer is seeking pounds 100,000 compensation from his old firm.
And I can remember, as well, standing on the corner of 52nd Street and Third Avenue on a spring afternoon, six feet from a large citizen gouging the pavement with a jackhammer, and thinking about the Ramones, amazed at the preconscious acuity with which I had translated the pneumatic slap of the hammer into eighth notes and wondering what part, if any, of the pleasures and dangers of the ordinary world might rightly be considered "natural."
Pressure: Joseph Capriati & Slam The Arches, Glasgow Jackhammer presents Gary Beck and Dustin Zahn The Liquid Room, Edinburgh Musika presents Involv3r launch party featuring Sasha, The Caves Edinburgh The i AM presents Juan Atkins Sub Club, Glasgow
We looked all over, but couldn't find them, so we rented a jackhammer to tie in to the main waste pipe below the concrete floor.
Governor Betsy McCaughey on a red suit day driving her jackhammer deep into the concrete?
Jackhammer Presents Derrick May, DJ Rolando and Stephen Brown The Liquid Room, Edinburgh Techno Detroit bonanza with DJ Derrick May, DJ Rolando and DJ Stephen Brown.
He had only been at it for an hour but was already sore, exhausted and thinking about hiring a pro to finish the job with a jackhammer. "You don't need a pro," I told him.
Stepback presents Jackhammer 11th Birthday The Liquid Rooms, Edinburgh Detroit techno legend Jeff Mills plays a three-hour set, with Ben Sims and Slam also on the lineup.
Exploding out of the traps with the mighty Human Traffiker, the band created an oppressive wall of noise, full of spiralling, abrasive melodies and jackhammer percussion.
Essex police said: "A jackhammer will be used to search beneath the concrete ground floor and a ground penetration radar machine will then be used to explore any abnormalities."
Saturday The Third Door, Edinburgh Jackhammer Easter Weekender The second night of Jackhammer's techno extravaganza sees a live set from Radioactiveman with support from Stephen Brown and regulars Wolfjazz, Keyte and Hammy.
And the Jackhammer Playset has deluxe power tool icons which unfold into exciting construction adventures featuring Bob the Builder, his faithful cat Pilchard and their gang of friends.