pop·pet /ˈpɑpət/
 乖孩子,提昇閥門,小枕木


 Pop·pet n.
 1. See Puppet.
 2. Naut. One of certain upright timbers on the bilge ways, used to support a vessel in launching.
 3. Mach. An upright support or guide fastened at the bottom only.
 Poppet head, Puppet head. See Headstock (a).

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 Pup·pet n.  [Written also poppet.]
 1. A small image in the human form; a doll.
 2. A similar figure moved by the hand or by a wire in a mock drama; a marionette; a wooden actor in a play.
 At the pipes of some carved organ move,
 The gilded puppets dance.   --Pope.
 3. One controlled in his action by the will of another; a tool; -- so used in contempt.
 4. Mach. The upright support for the bearing of the spindle in a lathe.
 Puppet master. Same as Puppetman.
 Puppet play, a puppet show.
 Puppet player, one who manages the motions of puppets.
 Puppet show, a mock drama performed by puppets moved by wires.
 Puppet valve, a valve in the form of a circular disk, which covers a hole in its seat, and opens by moving bodily away from the seat while remaining parallel with it, -- used in steam engines, pumps, safety valves, etc.  Its edge is often beveled, and fits in a conical recess in the seat when the valve is closed. See the valves shown in Illusts. of Plunger pump, and Safety valve, under Plunger, and Safety.

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 poppet
      n : a mushroom-shaped valve that rises perpendicular from its
          seat; commonly used in internal-combustion engines [syn:
          poppet valve]