/ Dictionary / Index B barchan: Meaning and Definition of Find definitions for: bar•chan Pronunciation: (bär-kän'), [key] — n. a crescent-shaped sand dune with the convex side in the direction of the wind. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. B.Arch. bar chart Related Content Daily Word Quiz: eureka Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language