- 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
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for mule deer
Upon it roams the buffalo, the prong-horned antelope, and the mule-deer.The Young Voyageurs
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
Far out on the plain their trained eyes saw the bands of antelope, and, nearer, herds of mule-deer working about in the ravines.John Ermine of the Yellowstone
I got four mule-deer stags, one with a very nice head and a second not at all bad.Life of Frederick Courtenay Selous, D.S.O.
"This" was the carcase of a mule-deer, which lay in the hollow in which Steve wanted to camp.Gold, Gold, in Cariboo!
- a W North American deer, Odocoileus hemionus, with long ears and a black-tipped tail