1. A horse jump consisting of a hedge or fence with a ditch on one or both sides.
Usage: equestrian sport

Examples

• The rider guided her horse over the oxer with confidence.
• The course included several challenging oxers that tested the horse's jumping ability.
• He cleared the oxer by several feet.
• The oxer at the far end of the arena was the highest obstacle in the competition.
• Young riders practice jumping smaller oxers before attempting larger ones.