The Collaborative International Dictionary of English v.0.48:

Mount \Mount\, v. t.
   1. To get upon; to ascend; to climb; as, to mount the pulpit
      and deliver a sermon.
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            Shall we mount again the rural throne? --Dryden.
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   2. To place one's self on, as a horse or other animal, or
      anything that one sits upon; to bestride.
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   3. To cause to mount; to put on horseback; to furnish with
      animals for riding; to furnish with horses. "To mount the
      Trojan troop." --Dryden.
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   4. Hence: To put upon anything that sustains and fits for
      use, as a gun on a carriage, a map or picture on cloth or
      paper; to prepare for being worn or otherwise used, as a
      diamond by setting, or a sword blade by adding the hilt,
      scabbard, etc.; as, to mount a picture or diploma in a
      frame
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   5. To raise aloft; to lift on high.
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            What power is it which mounts my love so high?
                                                  --Shak.
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   Note: A fort or ship is said to mount cannon, when it has
         them arranged for use in or about it.
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   To mount guard (Mil.), to go on guard; to march on guard;
      to do duty as a guard.

   To mount a play, to prepare and arrange the scenery,
      furniture, etc., used in the play.
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