The Collaborative International Dictionary of English v.0.48:

Hang \Hang\ (h[a^]ng), v. t. [imp. & p. p. Hanged (h[a^]ngd)
   or Hung (h[u^]ng); p. pr. & vb. n. Hanging.

   Usage: The use of hanged is preferable to that of hung, when
          reference is had to death or execution by suspension,
          and it is also more common.] [OE. hangen, hongien, v.
          t. & i., AS. hangian, v. i., fr. h[=o]n, v. t. (imp.
          heng, p. p. hongen); akin to OS. hang[=o]n, v. i., D.
          hangen, v. t. & i., G. hangen, v. i, h[aum]ngen, v.
          t., Icel. hanga, v. i., Goth. h[=a]han, v. t. (imp.
          ha['i]hah), h[=a]han, v. i. (imp. hahaida), and perh.
          to L. cunctari to delay. [root]37. ]
   1. To suspend; to fasten to some elevated point without
      support from below; -- often used with up or out; as, to
      hang a coat on a hook; to hang up a sign; to hang out a
      banner.
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   2. To fasten in a manner which will allow of free motion upon
      the point or points of suspension; -- said of a pendulum,
      a swing, a door, gate, etc.
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   3. To fit properly, as at a proper angle (a part of an
      implement that is swung in using), as a scythe to its
      snath, or an ax to its helve. [U. S.]
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   4. To put to death by suspending by the neck; -- a form of
      capital punishment; as, to hang a murderer.
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   5. To cover, decorate, or furnish by hanging pictures,
      trophies, drapery, and the like, or by covering with paper
      hangings; -- said of a wall, a room, etc.
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            Hung be the heavens with black.       --Shak.
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            And hung thy holy roofs with savage spoils.
                                                  --Dryden.
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   6. To paste, as paper hangings, on the walls of a room.
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   7. To hold or bear in a suspended or inclined manner or
      position instead of erect; to droop; as, he hung his head
      in shame.
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            Cowslips wan that hang the pensive head. --Milton.
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   8. To prevent from reaching a decision, esp. by refusing to
      join in a verdict that must be unanimous; as, one
      obstinate juror can hang a jury.
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   To hang down, to let fall below the proper position; to
      bend down; to decline; as, to hang down the head, or,
      elliptically, to hang the head.

   To hang fire (Mil.), to be slow in communicating fire
      through the vent to the charge; as, the gun hangs fire;
      hence, to hesitate, to hold back as if in suspense.
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