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Definition of Jackhammer
1. Noun. A hammer driven by compressed air.
Definition of Jackhammer
1. Noun. A portable percussive power tool that combines a hammer and chisel used to drill or break hard matter, for instance rock or concrete. ¹
2. Verb. To use a jackhammer. ¹
¹ Source: wiktionary.com
Definition of Jackhammer
1. [v -ED, -ING, -S]