Breadcrumb Home > Dictionary > Index P Pecos Bill: Meaning and Definition of Find definitions for: Pe'cos Bill' Pronunciation: [key] a legendary cowboy of the American frontier who performed such fabulous feats as digging the Rio Grande. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Pecos pecs TrendingHere are the facts and trivia that people are buzzing about. Did Birds Evolve from Dinosaurs? The Twelve Dancing Princesses Current Events This Week: January 2023 African Americans by the Numbers Andersen's Fairy Tales: Contents The Celtic Twilight: A Teller of Tales ✖ Related Content Daily Word Quiz: catalpa Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language