from The American Heritage® Dictionary of the English Language, 4th Edition
- n. The main duct through which semen is carried from the epididymis to the ejaculatory duct.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. The duct in the testicle that carries semen from the epididymis to the ejaculatory duct.
from the GNU version of the Collaborative International Dictionary of English
- n. The excretory duct of a testicle; a spermatic duct.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. a duct that carries spermatozoa from the epididymis to the ejaculatory duct
New Latin vās dēferēns : vās, duct + Latin dēferēns, present participle of dēferre, to carry away.(American Heritage® Dictionary of the English Language, Fourth Edition)
From Latin vās ("vessel, duct") + dēferēns ("carrying off"), present active participle of dēferō ("carry off"). (Wiktionary)