/ Dictionary / Index R reis: Meaning and Definition of Find definitions for: reis Pronunciation: (rās Port. rās), [key] — sing. re•al a former money of account of Portugal and Brazil. Cf. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: reis (Thesaurus) reinvent reissue Related Content Daily Word Quiz: spectral Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language