To make immovable; in surgery, to make immovable (a naturally mobile part, as a joint) by the use of splints, or stiffened bandages.
to make incapable of moving, as with a splint or cast.
Use of many kinds of equipment (halo apparatus, collars, braces, splints) or specific surgeries to prevent movement in a fractured or unstable area and, to allow for undisturbed healing.