/ Dictionary / Index B Belle Isle: Meaning and Definition of Find definitions for: Belle" Isle' Pronunciation: [key] a strait between Newfoundland and Labrador, Canada. 10–15 mi. (16–24 km) wide. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Belle Glade Bellerophon 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