splint [D, splinte, piece of wood] , 1. (in occupational and physical therapy) (Obsolete) now called orthosis. 2. a device, usually made of hard acrylic and wire, for anchoring the teeth or modifying the bite. Compare brace. 3. (Informal) an orthotic device for immobilization, restraint, or support of any part of the body. It may be rigid (made of metal, plaster, or wood) or flexible (made of neoprene or strapping).
