/ Dictionary / Index R rheumatism: Meaning and Definition of Find definitions for: rheu•ma•tism Pronunciation: (r'mu-tiz"um), [key] — n. Pathol. any disorder of the extremities or back, characterized by pain and stiffness. See Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: rheumatism (Thesaurus) rheumatic heart disease rheumatism-root Related Content Daily Word Quiz: clairvoyant Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language