variants:
or Western equine encephalitis or less commonly western equine encephalomyelitis or Western equine encephalomyelitis
Definition of western equine encephalitis
: equine encephalitis occurring in the western U.S. and Canada : equine encephalitis sense b While there is no specific treatment for western equine encephalitis, prevention centers on controlling mosquitoes and avoiding mosquito bites.— Frank X. Mullen, Jr. —abbreviation WEE
Keep scrolling for more
Keep scrolling for more
Test Your Vocabulary
Words of Snow and Ice Quiz
- Which of the following refers to thin, bending ice, or to the act of running over such ice?

Test your knowledge - and maybe learn something along the way.
TAKE THE QUIZ
Anagram puzzles meet word search.
TAKE THE QUIZLove words? Need even more definitions?
Merriam-Webster unabridgedWords at Play
Ask the Editors
Word Games
Words of Snow and Ice Quiz
A selection of words from the chillier parts of t...
Take the quizName that Thing: Toys and Games Edition
It's all fun and games until someone beats your h...
Take the quizTrue or False?
Test your knowledge - and maybe learn something a...
Take the quizSCRABBLE® Sprint
SCRABBLE® fans, sharpen your skills!
Play the game
Share western equine encephalitis
Time Traveler for western equine encephalitis
The first known use of western equine encephalitis was in 1933
See more words from the same year