“willis's”

The following 3 entries include the term willis's.

Willis's artery

noun

: communicating artery

See the full definition

Willis's circle

noun

: circle of willis

See the full definition

Willis's cords

plural noun

: slender fibers crossing the venous sinuses of the dura mater especially at the lower extremity of the superior sagittal sinus

See the full definition

Word of the Day

Listen to the pronunciation of vociferous

See Definitions and Examples »

Test Your Vocabulary

Name That Flower

  • any of a genus helianthus especially h annuus of new world composite plants with large yellow rayed flower heads bearing edible seeds that yield an edible oil
Name That Thing

You know what it looks like… but what is it called?

TAKE THE QUIZ
Play Blossom: Solve today's spelling word game by finding as many words as you can using just 7 letters. Longer words score more points.

Pick the best words!

PLAY
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

Games & Quizzes

See All
Play Quordle: Guess all four words in a limited number of tries. Each of your guesses must be a real 5-letter word.
Quordle Can you solve 4 words at once?
Play Blossom: Solve today's spelling word game by finding as many words as you can using just 7 letters. Longer words score more points.
Blossom Pick the best words!
Play Missing Letter: a crossword with a twist. Each of the 25 puzzle words start with a different letter of the alphabet. Which letter is missing?
The Missing Letter A daily crossword with a twist
hedgehog reading a book
Challenging Words You Should Know Not a quiz for the pusillanimous
See All