vas deferens[vas def′ə renz′]
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
The main duct through which semen is carried from the epididymis to the 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").