/ Dictionary / Index R Rhaetian Alps: Meaning and Definition of Find definitions for: Rhae'tian Alps' Pronunciation: [key] a chain of the Alps in E Switzerland and W Austria. Highest peak, Mt. Bernina, 13,295 ft. (4052 m). Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Rhaetian Rhaeto-Romanic Related Content Daily Word Quiz: mongrel Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language