any of various painful conditions of the joints and muscles, characterized by inflammation, stiffness, etc., including rheumatoid arthritis, bursitis, and neuritis
See rheumatism in American Heritage Dictionary 4
(ro͞oˈmə-tĭzˌəm)
noun
Any of several pathological conditions of the muscles, tendons, joints, bones, or nerves, characterized by discomfort and disability.