/ Dictionary / Index B Bienne: Meaning and Definition of Find definitions for: Bienne Pronunciation: (byen), [key] a lake in NW Switzerland: traces of prehistoric lake dwellings. 16 sq. mi. (41 sq. km). Also calledGerman, Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. bien entendu* biennial Related Content Daily Word Quiz: rustic Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language