The Collaborative International Dictionary of English v.0.48:

Shut \Shut\, v. t. [imp. & p. p. Shut; p. pr. & vb. n.
   Shutting.] [OE. shutten, schutten, shetten, schitten, AS.
   scyttan to shut or lock up (akin to D. schutten, G.
   sch["u]tzen to protect), properly, to fasten with a bolt or
   bar shot across, fr. AS. sce['o]tan to shoot. [root]159. See
   Shoot.]
   1. To close so as to hinder ingress or egress; as, to shut a
      door or a gate; to shut one's eyes or mouth.
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   2. To forbid entrance into; to prohibit; to bar; as, to shut
      the ports of a country by a blockade.
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            Shall that be shut to man which to the beast
            Is open?                              --Milton.
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   3. To preclude; to exclude; to bar out. "Shut from every
      shore." --Dryden.
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   4. To fold together; to close over, as the fingers; to close
      by bringing the parts together; as, to shut the hand; to
      shut a book.
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   To shut in.
      (a) To inclose; to confine. "The Lord shut him in." --Cen.
          vii. 16.
      (b) To cover or intercept the view of; as, one point shuts
          in another.

   To shut off.
      (a) To exclude.
      (b) To prevent the passage of, as steam through a pipe, or
          water through a flume, by closing a cock, valve, or
          gate.

   To shut out, to preclude from entering; to deny admission
      to; to exclude; as, to shut out rain by a tight roof.

   To shut together, to unite; to close, especially to close
      by welding.

   To shut up.
      (a) To close; to make fast the entrances into; as, to shut
          up a house.
      (b) To obstruct. "Dangerous rocks shut up the passage."
          --Sir W. Raleigh.
      (c) To inclose; to confine; to imprison; to fasten in; as,
          to shut up a prisoner.
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                Before faith came, we were kept under the law,
                shut up unto the faith which should afterwards
                be revealed.                      --Gal. iii.
                                                  23.
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      (d) To end; to terminate; to conclude.
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                When the scene of life is shut up, the slave
                will be above his master if he has acted better.
                                                  --Collier.
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      (e) To unite, as two pieces of metal by welding.
      (f) To cause to become silent by authority, argument, or
          force.
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WordNet (r) 3.0 (2006):

shutting
    n 1: the act of closing something [syn: shutting, closing]
         [ant: opening]