noun
buckaroo
buck-uh-ROO/ˌbʌkəˈru/
A cowboy who tends cattle from horseback.
The buckaroo guides the cattle through the gate on horseback.

Etymology
Spanish vaquero supplies the cowboy meaning directly. Calling a child or another person a buckaroo playfully casts that person in that cowboy role.
In context
the way a spur strap works is it attaches to the spur by the leather button on either the left hand or right hand side depending on if you're a buckaroo or cow puncher
More examples
- An experienced buckaroo checked the saddle before mounting.
- The buckaroo rides beside the herd during the roundup.
- The ranch hired two buckaroos for the spring roundup.
Forms
buckaroo · buckaroos
Similar words
- cowboy
- The more usual term for a mounted cattle worker.