To save this word, you'll need to log in.
Medical Definition of anterior commissure
: a band of nerve fibers crossing from one side of the brain to the other just anterior to the third ventricle
Comments on anterior commissure
What made you want to look up anterior commissure? Please tell us where you read or heard it (including the quote, if possible).
Test Your Vocabulary
January 2020 Words of the Day Quiz
- Which is a synonym of bonhomie?
Can you spell these 10 commonly misspelled words?
TAKE THE QUIZ
Test Your Knowledge - and learn some interesting things along the way.
TAKE THE QUIZLove words? Need even more definitions?
Merriam-Webster unabridgedWords at Play
Ask the Editors
Word Games
- January 2020 Words of the Day Quiz
Word of the Day quiz returns (again!)
Take the quiz - Intact Latin Quiz
What did each of these words mean to ancient Romans?
Take the quiz - Spell It
Can you spell these 10 commonly misspelled words?
Take the quiz - Syn City
Build a city of skyscrapers—one synonym at a time.
Play the game
Share anterior commissure