noun
: a short usually two to four inch long piece of bar steel made with one end flattened and the other cupped to receive the end of the setscrew of a screw plug and used especially for clamping thin work to a table
noun
: a short usually two to four inch long piece of bar steel made with one end flattened and the other cupped to receive the end of the setscrew of a screw plug and used especially for clamping thin work to a table
Webster's New International English Dictionary. Новый международный словарь английского языка Webster. 2012