Other forms: dismounted, dismounting, dismounts
To dismount is to get down from a horse. Dismount carefully, ordered to dismount, dismount on the left.
Riders mount and dismount on the near side, which is the left, by a convention that goes back to swords being worn on the left hip. The word covers bicycles too — cyclists dismount is the standard British sign. In gymnastics, the dismount is the final move off the apparatus and is scored on the landing. Note that dismount also means to take a thing off its mounting, as with a lens or an engine.
1verbdismountTo get down from a horse or bicycle.
“At the end of the ride, she dismounted and led her horse back to the stable.”
2nounfinalThe final move off gymnastic apparatus.
“The gymnast finished her routine with a perfect dismount from the bar.”
Too few real examples of this word to estimate which sense is commonest.
dismount is a getting down.
Old French desmonter is des- plus monter, to go up, from Latin mons, a mountain. To mount is to go up a hill, so to dismount is to come back down.
Proto-Indo-European
*men-
Old French
desmonter
English, today
dismount
From dis + mount, probably a Old French desmonter.
Etymology from Wiktionary, CC BY-SA