JACKHAMMER


Meaning of JACKHAMMER in English

noun Date: 1916 a pneumatically operated percussive rock-drilling tool usually held in the hands, a device in which a tool (as a chisel for breaking up pavements) is driven percussively by compressed air, ~ verb

Merriam Webster. Explanatory English dictionary Merriam Webster.      Толковый словарь английского языка Мерриам-Уэбстер.