dismount >> /dɪsˈmaʊnt/
Definition: [verb] Alight from a horse, bicycle, or other thing that one is riding.
Example: he rode over and dismounted
Definition: [verb] Remove (something) from its support.
Example: we have to dismount the pump
Definition: [noun] A move in which a gymnast jumps off an apparatus or completes a floor exercise.
Example: on the uneven bars the women go for ever more complex dismounts