Phys. Short for Vena cava.

1

[1681.  trans. Willis’ Rem. Med. Wks., Voc., Cava vena, The great Liver-vein going thorow the Body.]

2

1809.  Med. Jrnl., XXI. 270. The ascending and descending cava gorged with blood.

3

1866.  Huxley, Phys., ii. (1869), 57. Will reach the right auricle by the superior cava.

4