vas deferens Hear it!

vas deferens definition

vas de·fe·rens (vas def′ə renz′)

the highly convoluted duct that conveys sperm from the testicle to the ejaculatory duct of the penis

Etymology: ModL < L vas, vessel + deferens, carrying down: see deference

Webster's New World College Dictionary Copyright © 2005 by Wiley Publishing, Inc., Cleveland, Ohio.
Used by arrangement with John Wiley & Sons, Inc.

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