/ Dictionary / Index B Big Bend National Park: Meaning and Definition of Find definitions for: Big' Bend' Na'tional Park' Pronunciation: [key] a national park in W Texas, on the Rio Grande. 1080 sq. mi. (2800 sq. km). Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Big Ben Big Bertha Related Content Daily Word Quiz: blanch Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language