/ Dictionary / Index P pulmonary vein: Meaning and Definition of Find definitions for: pul'monary vein' Pronunciation: [key] — Anat. Anat. a vein conveying oxygenated blood from the lungs to the left atrium of the heart. See diag. under Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. pulmonary valve pulmonate Related Content Daily Word Quiz: resilient Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language