noun
1. : a tool held under a piece of work and used in conjunction with another tool working on top (as the lowermost of a pair of dies or fullers)
2. : a tool for machining the bottom of a hole
noun
1. : a tool held under a piece of work and used in conjunction with another tool working on top (as the lowermost of a pair of dies or fullers)
2. : a tool for machining the bottom of a hole
Webster's New International English Dictionary. Новый международный словарь английского языка Webster. 2012