noun
bronco
BRONG-koh/ˈbrɑːŋkəʊ/
An untrained or partly wild horse.
The unsaddled bronco bucks energetically inside the rough wooden corral.

Etymology
Spanish bronco, meaning “rough, rude,” apparently supplied the horse name. The description of roughness became a name for an untamed or half-tamed horse.
In context
the bucking bronco event the horse has to be a partner the horse can't just trot out there the horse has to be you know bucking
More examples
- The trainer approached the restless bronco slowly.
- Several broncos stood in the dusty corral.
- Months of patient handling calmed the young bronco.
Forms
bronco · broncos
Similar words
- mustang
- A free-roaming horse of the American West, bronco emphasizes lack of training.