Definitions

1. verb

to dismount or get off a horse, especially in a military or ceremonial context

“The cavalry officer was ordered to dishorse the worn-out horse.”

2. noun

the act of dismounting from a horse

“The dishorse of the royal horse was a grand ceremony.”

3. verb

to dismiss or remove someone from a position of authority or power, often in a ceremonial or formal manner

“The corrupt official was publicly dishorsed from his position.”