poppet
['pɒpit]
n. 宝贝, 孔, 随转尾座



poppet
[ noun ]
a mushroom-shaped valve that rises perpendicularly from its seat; commonly used in internal-combustion engines
<noun.artifact>




Poppet \Pop"pet\, n.
1. See {Puppet}.

2. (Naut.) One of certain upright timbers on the bilge ways,
used to support a vessel in launching. --Totten.

3. (Mach.) An upright support or guide fastened at the bottom
only.

4. same as {poppit}.
[PJC]

{Poppet head}, {Puppet head}. See {Headstock}
(a) .


Poppit \Pop"pit\, n.
a small plastic bead with opposed holes and protuberant
knobs, so shaped that the beads may be fastened to each other
in chains and detached easily, and can be used to form
variable-length chains for use as necklaces, bracelets, or
other ornamental objects. Also called {poppet} and {poppit
bead}.
[PJC]


Puppet \Pup"pet\, n. [OE. popet, OF. poupette; akin to F.
poup['e]e a doll, probably from L. puppa, pupa, a girl, doll,
puppet. Cf. {Poupeton}, {Pupa}, {Pupil}, {Puppy}.] [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. --Sir W. Scott.

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}.