Poppet \Pop"pet\, n. 1. See {Puppet}. [1913 Webster] 2. (Naut.) One of certain upright timbers on the bilge ways, used to support a vessel in launching. --Totten. [1913 Webster] 3. (Mach.) An upright support or guide fastened at the bottom only. [1913 Webster] 4. same as {poppit}. [PJC] {Poppet head}, {Puppet head}. See {Headstock} (a) . [1913 Webster]
Headstock \Head"stock`\ (-st[o^]k`), n. (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. [1913 Webster]