Phys. Short for Vena cava.
[1681. trans. Willis Rem. Med. Wks., Voc., Cava vena, The great Liver-vein going thorow the Body.]
1809. Med. Jrnl., XXI. 270. The ascending and descending cava gorged with blood.
1866. Huxley, Phys., ii. (1869), 57. Will reach the right auricle by the superior cava.