/ Dictionary / Index V vena: Meaning and Definition of Find definitions for: ve•na Pronunciation: (vē'nu), [key] — pl. -nae a vein. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: vena (Thesaurus) Ven. vena cava 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