rheum noun \??r??m\ (Medical Dictionary)Medical Definition of RHEUM : a watery discharge from the mucous membranes especially of the eyes or nose; also : a condition (as a cold) marked by such discharge ???rheumy \-??\ adjective Learn More About RHEUM SCRABBLE??: Playable words you can make from rheumBrowseNext Word in the Dictionary: rheumatic (adjective)Previous Word in the Dictionary: Rheto??