Vas (?), n.; 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.
© Webster 1913.
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