/ Dictionary / Index B black lung: Meaning and Definition of Find definitions for: black' lung' Pronunciation: [key] pneumoconiosis of coal miners, caused by coal dust; anthracosis. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. black locust blackly Related Content Daily Word Quiz: careening Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language