To save this word, you'll need to log in.
foramen ro·tun·dum | \ -rō-ˈtən-dəm 
\
\Medical Definition of foramen rotundum
: a circular aperture in the anterior and medial part of the greater wing of the sphenoid that gives passage to the maxillary nerve
Comments on foramen rotundum
What made you want to look up foramen rotundum? Please tell us where you read or heard it (including the quote, if possible).
Test Your Vocabulary
Semantic Drift Quiz
- Which of the following was once a synonym for fun?
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
Share foramen rotundum