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
Recent Examples of jackhammer from the Web
Jackhammers, strobe lights and sudden blackouts add to the play's provocative and shocking torture scenes.
Israeli jackhammers broke ground on a new Jewish settlement in the West Bank on Tuesday, just one day before President Trump’s adviser Jared Kushner joins talks in Jerusalem and Ramallah aimed at reviving the Israeli-Palestinian peace process.
The cabin mutes jackhammers, the numb steering neutralizes rumble strips, the suspension floats over milled pavement, and the seats—my word, the seats.
Just as Neil Barrett starts talking about his brand new sportswear second line offshoot, entitled BLACKBARRETT, the jackhammers start up.
Burglary to Vehicle •A jackhammer was reported stolen overnight between May 5 and May 6 from a car parked on the 1400 block of Renaissance Drive.
As the jackhammer bashes through the concrete, and water begins flowing unimpeded downstream for the first time in almost three centuries, Wasniewski, dressed in a crisp blue windbreaker, can only shake her head at the spectacle.
Trucks, jackhammers, lovers’ quarrels: This city offers an infinite variety of sonic assaults.
The frothing cascade, with its countless bubbles acting as tiny jackhammers, hollowed out a in the concrete spillway.
These 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.
First Known Use of jackhammer
JACKHAMMER Defined for English Language Learners
Definition of jackhammer for English Language Learners
: a heavy tool used to break hard substances (such as concrete) into pieces by a repeated pounding action
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