Main Entry: rheum Pronunciation: 'rüm Function: noun : a watery discharge from the mucous membranes especially of the eyes or nose; also: a condition (as a cold) marked by such discharge —rheumy/-E/adjective
Main Entry: Rhe·um Pronunciation: 'rE-&m Function: noun : a genus of Asian herbs (family Polygonaceae) that have large leaves, loose stipularsheaths, small flowers in paniculate racemes, and a 3-winged fruit and that include the rhubarbs (as the Chinese rhubarb, R. officinale, and rhapontic, R. rhaponticum)