/ Dictionary / Index R Rieka: Meaning and Definition of Find definitions for: Ri•e•ka Pronunciation: (rē-ek'u Serbo-Croatian. rē-ye'kä), [key] — n. Rijeka. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Riegger riel Related Content Daily Word Quiz: pugilist Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language