dismount /dɪsˈmaʊnt/verb 4noun 2forms 4 verb4 •To (cause to) get off (something).She carefully dismounted from the horse.She carefully dismounted the horse. •To come down; to descend.But now the bright sun ginneth to dismount. — 1579 •To throw (cannon) off their carriages. •To make (a mounted 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. noun2 •The act of stepping down from something being ridden, such as a skateboard.Nice dismount! •The part of a routine in which the gymnast detaches from an apparatus.It was a stylish routine, let down by a sloppy dismount. formsdismounted · dismounting · dismounteth · dismounts