/ Dictionary / Index B brown lung: Meaning and Definition of Find definitions for: brown' lung' Pronunciation: [key] — Pathol. Pathol. a debilitating lung disease resembling emphysema, occurring among textile workers from inhalation of cotton dust. Also called Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Browning automatic rifle brown-nose Related Content Daily Word Quiz: secular Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language