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Webster 1913 Edition
Vas
‖
Vas
,Noun.
pl.
Vasa
(#)
. [L., a vessel. See
Vase
.] (Anat.)
A vessel; a duct.
‖
Vas deferens
;
pl.
Vasa deferentia
. [L.
vas
vessel + deferens
carrying down.] (Anat.)
The excretory duct of a testicle; a spermatic duct.