Poppet head

from The Collaborative International Dictionary of English v.0.48
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]
    
from The Collaborative International Dictionary of English v.0.48
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]
    

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