( n. )
A conical recess, or indentation, in the end of a shaft or other work, to receive the point of a center, on which the work can turn, as in a lathe.
( n. )
A conical recess, or indentation, in the end of a shaft or other work, to receive the point of a center, on which the work can turn, as in a lathe.
Webster's Revised Unabridged English Dictionary. Пересмотренный полный словарь английского языка Webster. 2012