a thin piece of wood or other rigid material used to immobilize a fractured or dislocated bone, or to maintain any part of the body in a fixed position.

one of a number of thin strips of wood woven together to make a chair seat, basket, etc.

Veterinary Medicine . an exostosis or bony enlargement of a splint bone of a horse or a related animal.

Armor .

any of a number of narrow plates or lames joined with rivets or a backing to form a piece of armor.

a partial vambrace protecting only the outer part of the arm.

British Dialect . a splinter of wood or stone.

to secure, hold in position, or support by means of a splint or splints, as a fractured bone.

to support as if with splints.