/ Dictionary / Index R Rhaetia: Meaning and Definition of Find definitions for: Rhae•ti•a Pronunciation: (rē'shē-u, -shu), [key] — n. an ancient Roman province in central Europe, comprising what is now E Switzerland and a part of the Tyrol: later extended to the Danube. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Rhadamanthys Rhaetian Related Content Daily Word Quiz: morose Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language