Meaning of vena cava

ve•na ca•va

Pronunciation: (vē'nu kā'vu), [key]
— pl. ve•nae ca•vae
  1. either of two large veins discharging blood into the right atrium of the heart, oneconveying blood from the head, chest, and upper extremities and the otherconveying blood from all parts below the diaphragm. See diag. under
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.