3 definitions found From 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] From WordNet (r) 2.0 [wn]: vena n : a blood vessel that carries blood from the capillaries toward the heart; all veins except the pulmonary carry unaerated blood [syn: {vein}, {venous blood vessel}] [also: {venae} (pl)] From WordNet (r) 2.0 [wn]: venae See {vena}
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