/ Dictionary / Index B barrier beach: Meaning and Definition of Find definitions for: bar'rier beach" Pronunciation: [key] a sand ridge that rises slightly above the surface of the sea and runs roughly parallel to the shore, from which it is separated by a lagoon. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. barrier barrier island 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