JACKHAMMER


Meaning of JACKHAMMER in English

transcription, транскрипция: [ ˈjak-ˌha-mər ]

noun

Date: 1916

1. : a pneumatically operated percussive rock-drilling tool usually held in the hands

2. : a device in which a tool (as a chisel for breaking up pavements) is driven percussively by compressed air

• jackhammer verb

Merriam-Webster's Collegiate English vocabulary.      Энциклопедический словарь английского языка Merriam Webster.