jackhammer
noun
jack·ham·mer
| \ ˈjak-ˌha-mər
\
\
Definition of jackhammer
1
: a pneumatically operated percussive rock-drilling tool usually held in the hands
2
: a device in which a tool (such as a chisel for breaking up pavements) is driven percussively by compressed air
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Examples of jackhammer in a Sentence
Recent Examples on the Web
Monday is the day when bar and bat mitzvahs are held in Israel, and drumbeats from distant celebrations mixed with the pounding of jackhammers from construction sites nearby. — Rachel Poser, Harper's magazine, "Common Ground," 19 Aug. 2019 The men wielded jackhammers, drilling holes so sticks of dynamite could be pressed into the rock. — The Economist, "The last man to have built Mount Rushmore," 1 Aug. 2019 Daddy tries to get rid of it — even with a jackhammer and cannon — but Sweetie keeps showing up, delighted to be near Charlotte. — Washington Post, "Celebrate Father’s Day with these new picture books," 12 June 2019 Starting this summer, residents from Madison Heights to Troy will be dealing with noise from jackhammers, heavy equipment and other construction as phase two of a $225-million rebuild of I-75 in Oakland County kicks into high gear. — Dixita Limbachia, Detroit Free Press, "Sound walls planned for I-75 in Oakland County: What we know," 17 June 2019 Khafra worked with loyalty and tenacity, wielding a rotary hammer, jackhammer and pickax. — Dan Morse, chicagotribune.com, "A millionaire day trader, the secret bunker under his Maryland home and a murder conviction," 1 July 2019 Khafra worked with loyalty and tenacity, wielding a rotary hammer, jackhammer and pickax. — Dan Morse, Washington Post, "A millionaire day trader, the secret bunker under his home and a murder conviction," 1 July 2019 He has been jolted awake before dawn by jackhammers and screeching delivery trucks. — New York Times, "New York Is a Noisy City. One Man Got Revenge.," 4 June 2019 The noise at each detector should be completely uncorrelated — a jackhammer going off in the town near one detector won’t show up as noise in the other. — Quanta Magazine, "Strange Noise in Gravitational-Wave Data Sparks Debate," 30 June 2017These example sentences are selected automatically from various online news sources to reflect current usage of the word 'jackhammer.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.
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More Definitions for jackhammer
jackhammer
noun
English Language Learners Definition of jackhammer
chiefly US
: a heavy tool used to break hard substances (such as concrete) into pieces by a repeated pounding action
See the full definition for jackhammer in the English Language Learners Dictionary