bayonet

bayonet
    n 1: a knife that can be fixed to the end of a rifle and used as
         a weapon
    v 1: stab or kill someone with a bayonet
    

Bayonet \Bay"o*net\, v. t. [imp. & p. p. {Bayoneted}; p. pr. &
   vb. n. {Bayoneting}.]
   1. To stab with a bayonet.
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   2. To compel or drive by the bayonet.
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            To bayonet us into submission.        --Burke.
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Bayonet \Bay"o*net\, n. [F. bayonnette, ba["i]onnette; -- so
   called, it is said, because the first bayonets were made at
   Bayonne.]
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   1. (Mil.) A pointed instrument of the dagger kind fitted on
      the muzzle of a musket or rifle, so as to give the soldier
      increased means of offense and defense.
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   Note: Originally, the bayonet was made with a handle, which
         required to be fitted into the bore of the musket after
         the soldier had fired.
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   2. (Mach.) A pin which plays in and out of holes made to
      receive it, and which thus serves to engage or disengage
      parts of the machinery.
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   {Bayonet clutch}. See {Clutch}.

   {Bayonet joint}, a form of coupling similar to that by which
      a bayonet is fixed on the barrel of a musket. --Knight.

   {bayonet mount}, (photography) a coupling mechanism for
      attaching removable lenses to the body of a camera, using
      a {bayonet socket}.

   {bayonet socket}, a coupling mechanism for attaching matching
      cylindrical parts to each other, where each of which has
      an arced L-shaped slot with the longer side perpendicular
      to the axis of the cylinder, such that the slots slide
      inside each other. There is also usually a knoblike
      projection on the mount so that when the two parts to be
      connected are fully inserted in proper alignment, they are
      locked in place. It is designed for rapid coupling and
      decoupling, requiring the turning of one part through only
      a small arc, in place of a screw-type arrangement, which
      requires several full turns.
      [1913 Webster +PJC]
    

20 Moby Thesaurus words for "bayonet":
      dagger, dirk, dudgeon, impale, knife, lance, pierce, plunge in,
      poniard, run through, saber, spear, spike, spit, stab, stick,
      stiletto, sword, transfix, transpierce