/ Dictionary / Index B bronchospasm: Meaning and Definition of Find definitions for: bron•cho•spasm Pronunciation: (brong'ku-spaz"um), [key] — n. spasmodic contraction of the muscular lining of the bronchi, as in asthma, causing difficulty in breathing. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: bronchospasm (Thesaurus) bronchoscopy bronchus Related Content Daily Word Quiz: pundit Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language