Montana Code > Title 81 > Chapter 4 > Part 3 > § 81-4-321 Montana Code 81-4-321. Definition Current as of: 2023 | Check for updates | Other versions 81-4-321. Definition. The term “horses” when used in 81-4-321 through 81-4-328 shall include any mare, gelding, stallion, colt, foal, filly, mule, jack, and jenny. Previous Next Part 3 Contents