pack-animal

Said nutsack still sets the gold standard for pack-animal genitalia-related verbiage, though this comes close.

dustbury.com » Not to be confused with Don Quixote 2007

For a few years fabulous sums of the precious metal had been extracted from the ground by the hordes of treasure-seekers who had come from all over the world by boat, pack-animal or "prairie schooner," around

The United States Since the Civil War Charles Ramsdell Lingley

The army had now passed beyond the scope of a camel, or other pack-animal, system of supply, except for very short distances, and it was obvious that they could only advance in future along either the railway or a navigable reach of the river, and preferably along both.

The River War An Account of the Reconquest of the Sudan Winston S. Churchill 1919

Sunday-school parties, where he had been a most useful pack-animal, and, dressing her in her best with his big calloused hands, watched her from the window join a group of the other children.

Hillsboro People Dorothy Canfield Fisher 1918

He owned his own horse and blankets, sometimes also a pack-animal.

The Fighting Edge William MacLeod Raine 1912

You see the bobbing ears of a pack-animal and the dusty hat and stoop shoulders of a man.

The Desert Valley Jackson Gregory 1912

"Get on that horse," she commanded, pointing to the pack-animal.

The Fur Bringers A Story of the Canadian Northwest Hulbert Footner 1911

They should contain small quantities for immediate use of the provisions the main stock of which is carried on another pack-animal.

The Mountains Stewart Edward White 1909

But being a true son of the open, he wanted to see the country; so he decided to travel horseback, with a pack-animal.

Partners of Chance Henry Herbert Knibbs 1909

When all was in readiness for a start he gave the mustang he had ridden to Shefford, and walked, leading the pack-animal.

The Rainbow Trail Zane Grey 1905