JACKHAMMER


Meaning of JACKHAMMER in English

n.

Pronunciation: ' jak- ˌ ha-m ə r

Function: 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 Collegiate English Dictionary.      Merriam Webster - Энциклопедический словарь английского языка.