unhorse Meaning, Definition & Usage

  1. verb alight from (a horse)
    light; dismount; get off; get down.

WordNet

Un*horse" transitive verb
Etymology
1 st pref. un- + horse.
Definitions
  1. To throw from a horse; to cause to dismount; also, to take a horse or horses from; as, to unhorse a rider; to unhorse a carriage. Cowper.

Webster 1913