Dis*mount" (?), v. i. [imp. & p. p. Dismounted; p. pr. & vb. n. Dismounting.] [Pref. dis- + mount: cf. OF. desmonter, F. démonter.] 1. To come down; to descend. [Poetic]

But now the bright sun ginneth to dismount.

2. To alight from a horse; to descend or get off, as a rider from his beast; as, the troops dismounted.

Dis*mount", v. t. 1. To throw or bring down from an elevation, place of honor and authority, or the like.

Dismounted from his authority.

2. To throw or remove from a horse; to unhorse; as, the soldier dismounted his adversary.

3. (Mech.) To take down, or apart, as a machine.

4. To throw or remove from the carriage, or from that on which a thing is mounted; to break the carriage or wheels of, and render useless; to deprive of equipments or mountings; -- said esp. of artillery.

• (gymnastics): The part of a routine in which the gymnast detaches from an apparatus.
       A stylish routine, let down by a sloppy dismount.
  
• To get off (from a horse), get down from (a horse).
       She carefully dismounted from the horse.
  
• (computing): To make a hard-drive unavailable for use.
       The VMS operator tried to dismount the unix hard drive with the DISMOUNT DISK$NFSMOUNT command, instead of umount /mnt/nfshome.