1. a male animal, especially a horse, with one or both testicles undescended
Usage: veterinary; archaic

Examples

• The veterinarian identified the colt as a ridgil during the examination.
• Ridgil horses were often considered less valuable for breeding purposes.
• The farmer consulted an expert about his ridgil stallion.
• In older texts, a ridgil was sometimes called a rig.
• The condition made the ridgil unsuitable for certain competitions.