headstock Meaning, Definition & Usage
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noun the stationary support in a machine or power tool that supports and drives a revolving part (as a chuck or the spindle on a lathe)
WordNet
Head"stock` noun
Definitions
(Mach.) A part (usually separate from the bed or frame) for supporting some of the principal working parts of a machine ; as:(a) The part of a lathe that holds the revolving spindle and its attachments; -- also called poppet head , the opposite corresponding part being called a tailstock.(b) The part of a planing machine that supports the cutter, etc.
