/ Dictionary / Index P pulmonary tree: Meaning and Definition of Find definitions for: pul'monary tree' Pronunciation: [key] — Anat. Anat. the trachea, bronchi, and bronchioles of the lungs, which together resemble an upside-down tree. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. pulmonary circulation pulmonary tuberculosis Related Content Daily Word Quiz: winsome Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language