JACKHAMMER


Meaning of JACKHAMMER in English

/jak"ham'euhr/ , n.

a portable drill operated by compressed air and used to drill rock, break up pavement, etc.

[ 1925-30, Amer.; JACK 1 + HAMMER ]

Random House Webster's Unabridged English dictionary.      Полный английский словарь Вебстер - Random House .