Definition of "mule deer" []

• A brownish-gray deer (Odocoileus hemionus) of western North America, having long mulelike ears, large branching antlers in the male, and a black-tipped tail. Also called black-tailed deer. (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "There were no cattle in sight, nothing larger than a mule deer disturbed into flight by Sharon’s approach."