Definition of vas
(Entry 1 of 2)
: an anatomical vessel : duct
vas-
combining form
variants:
or vaso-
Definition of vas- (Entry 2 of 2)
1
: vessel: such as
a
: blood vessel
vasomotor
b
: vas deferens
vasectomy
2
: vascular and
vasovagal
3
: vasomotor
vasoactive
Keep scrolling for more
Keep scrolling for more
Keep scrolling for more
Test Your Vocabulary
The Exceptions Quiz III
-
- Which of these words does not mean "nonsense"?

Test your vocabulary with our 10-question quiz!
TAKE THE QUIZ
Spell words. Make bears.
TAKE THE QUIZLove words? Need even more definitions?
Merriam-Webster unabridged
Words at Play
Ask the Editors
Share vas
Time Traveler for vas
The first known use of vas was in 1651
See more words from the same year