Breadcrumb Home > Dictionary > Index L Lewis Mountains: Meaning and Definition of Find definitions for: Lew'is Moun'tains Pronunciation: [key] a mountain range in the NW United States and W Canada, in W Montana and Alberta province: part of the Rocky Mountains. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. lewisite Lewisohn 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: saturnine Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language