/ Dictionary / Index R Rhaetian: Meaning and Definition of Find definitions for: Rhae•tian Pronunciation: (rē'shun, -shē-un), [key] — adj. of or pertaining to Rhaetia. Rhaeto-Romanic. Raetic. —n. Raetic. Rhaeto-Romanic. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Rhaetia Rhaetian Alps Related Content Daily Word Quiz: loathe Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language