(Science: medicine) A general disease characterised by painful, often multiple, local inflammations, usually affecting the joints and muscles, but also extending sometimes to the deeper organs, as the heart.
(Science: botany) See twinleaf.
Origin: L. Rheumatismus rheum, Gr, fr. To have or suffer from a flux, fr. Rheum: cf. F. Rheumatisme. See 2d Rheum.