/ Dictionary / Index B Bristol Channel: Meaning and Definition of Find definitions for: Bris'tol Chan'nel Pronunciation: [key] an inlet of the Atlantic, between S Wales and SW England, extending to the mouth of the Severn estuary. 85 mi. (137 km) long. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Bristol board Bristol fashion Related Content Daily Word Quiz: stringent Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language