vas deferensvas def·er·ens
nounpl. va′sa de·fe·ren′tia
the highly convoluted duct that conveys sperm from the testicle to the ejaculatory duct of the penis
Origin of vas deferensModern Latin from Classical Latin vas, vessel + deferens, carrying down: see deference
nounpl. vasa def·er·en·ti·a,
A duct through which semen is carried from the epididymis of each testicle to an ejaculatory duct.
Origin of vas deferensNew Latin vās dēferēns vās duct Latin dēferēns present participle of dēferre to carry away
(plural vasa deferentia)
From Latin vÄs (“vessel, duct") + dÄ“ferÄ“ns (“carrying off"), present active participle of dÄ“ferÅ (“carry off").