a tool having two toothed jaws, one fixed and the other free to grip pipes and other tubular objects when the tool is turned in one direction only.
[ 1885-90 ]
a tool having two toothed jaws, one fixed and the other free to grip pipes and other tubular objects when the tool is turned in one direction only.
[ 1885-90 ]
Random House Webster's Unabridged English dictionary. Полный английский словарь Вебстер - Random House . 2012