/ Dictionary / Index B barn swallow: Meaning and Definition of Find definitions for: barn' swal"low Pronunciation: [key] a common swallow, Hirundo rustica, of North America and Eurasia, that nests in barns and similar buildings. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. barnstorm Barnum 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