noun
1. : a screw link to which the rope of a rope-drilling apparatus is attached so that the drill may be fed and slightly turned at each stroke
2. : a setscrew used for adjusting
noun
1. : a screw link to which the rope of a rope-drilling apparatus is attached so that the drill may be fed and slightly turned at each stroke
2. : a setscrew used for adjusting
Webster's New International English Dictionary. Новый международный словарь английского языка Webster. 2012