Hypertext Webster Gateway: "vas"
From Webster's Revised Unabridged Dictionary (1913) (web1913)
Vas \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.
From WordNet (r) 1.7 (wn)
vas
n : a tube in which a body fluid circulates [syn: {vessel}]
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