/ Dictionary / Index V vena cava: Meaning and Definition of Find definitions for: ve•na ca•va Pronunciation: (vē'nu kā'vu), [key] — pl. ve•nae ca•vae 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. vena vena contracta Related Content Daily Word Quiz: panacea Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language