VENA CAVA Meaning of VENA CAVA in English [ ˌvi:nə'keɪvə ]■ noun ( plural venae cavae ˌvi:ni: 'keɪvi: ) each of two large veins carrying deoxygenated blood into the heart.OriginC16: from L., lit. 'hollow vein'. Concise Oxford English vocab. Сжатый оксфордский словарь английского языка. 2004