'Vasa deferentia' definitions:

Definition of 'Vasa deferentia'

From: GCIDE

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