: a North American deer (Odocoileus virginianus) with a rather long tail white on the undersurface and the males of which have forward-arching antlers

called also whitetail deer

Illustration of white-tailed deer

Illustration of white-tailed deer

Word History

First Known Use

1829, in the meaning defined above

Time Traveler
The first known use of white-tailed deer was in 1829

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Cite this Entry

“White-tailed deer.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/white-tailed%20deer. Accessed 1 Aug. 2026.

Kids Definition

white-tailed deer

noun
ˌhwīt-ˌtāl-ˈdi(ə)r
ˌwīt-
: a North American deer that has a rather long tail which is white on the underside and antlers which arch forward

called also whitetail deer

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