rheu·ma·toid 
(rmə-toid′) also rheu·ma·toi·dal (r′mə-toidl)
(rmə-toid′) also rheu·ma·toi·dal (r′mə-toidl)adj.
1. Relating to or affected with rheumatism, especially rheumatoid arthritis: a rheumatoid joint.
2. Archaic Of or resembling rheumatism.