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The Collaborative International Dictionary of English v.0.48 (gcide)

Vena \Ve"na\, n.; pl. {Venae}. [L. See {Vein}.]
A vein.
[1913 Webster]

{Vena cava}; pl. {Venae cavae}. [L., literally, hollow vein.]
(Anat.) Any one of the great systemic veins connected
directly with the heart.

{Vena contracta}. [L., literally, contracted vein.]
(Hydraulics) The contracted portion of a liquid jet at and
near the orifice from which it issues.

{Vena portae}; pl. {Venae portae}. [L., literally, vein of
the entrance.] (Anat.) The portal vein of the liver. See
under {Portal}.
[1913 Webster]

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