packhorse

noun

Etymology: From pack + horse, possibly (from an uncertain date) via Middle English palhors (read pakhorse).

1. A horse used as a pack animal.

   “The two Indians were finished with their own saddling, the camp gear was packed, and already the extra saddle horses and their one packhorse were haltered so they could be led back to the ranch.”

   “Finally they put him on one of De Soto's packhorses, but even on a packhorse his feet hung down to within a few inches of the ground.”