/ Dictionary / Index B bronchiectasis: Meaning and Definition of Find definitions for: bron•chi•ec•ta•sis Pronunciation: (brong"kē-ek'tu-sis), [key] — n. Pathol. a diseased condition in which a bronchus or the bronchi are distended, characterized by paroxysmal coughing and copious expectoration of sputum. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. bronchial tube bronchiole Related Content Daily Word Quiz: fabricate Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language