mule deer

a deer, Odocoileus hemionus, of western North America, having large ears and a gray coat.

Origin of mule deer

An Americanism dating back to 1795–1805

"This" was the carcase of a mule-deer, which lay in the hollow in which Steve wanted to camp.

Gold, Gold, in Cariboo! |Clive Phillipps-Wolley
Upon it roams the buffalo, the prong-horned antelope, and the mule-deer.

The Young Voyageurs |Mayne Reid
But so long as there are homesteaders to be fended from the hill borders, the mule-deer will come back.

California |Mary Austin
Lingering along the snow-line in the mountains, and ascending and descending with it, is a species of deer known as the mule-deer.

Memoirs of Orange Jacobs |Orange Jacobs

The hunters who were out the greater part of the day brought in six elk, two buffaloe, two mule-deer and a bear.

History of the Expedition under the Command of Captains Lewis and Clark, Vol. I. |Meriwether Lewis and William Clark

mule deer

a W North American deer, Odocoileus hemionus, with long ears and a black-tipped tail