UNHORSE
unhorse
Verb
- To forcibly remove from a horse.
- The knight was unhorsed when his opponent's lance struck his shield.
- To disrupt or unseat; to remove from a position.
- The incumbent governor was unhorsed by the scandal that broke during his reelection campaign.
The above text is a snippet from Wiktionary: unhorse
and as such is available under the Creative Commons Attribution/Share-Alike License.