What is "splint bone"

Splint \Splint\, n. [Akin to D. splinter,G. splinter, splitter, Dan. splint, Sw. splint a kind of spike, a forelock (in nautical use), Sw. splintato splint, splinter, Dan. splinte, and E. split. See Split, v. t., and cf. Splent.]

1. A piece split off; a splinter.

2. (Surg.) A thin piece of wood, or other substance, used to keep in place, or protect, an injured part, especially a broken bone when set.

3. (Anat.) A splint bone.

4. (Far.) A disease affecting the splint bones, as a callosity or hard excrescence.

5. (Anc. Armor.) One of the small plates of metal used in making splint armor. See Splint armor, below.

   The knees and feet were defended by splints, or thin plates of steel.
   --Sir. W. Scott.

6. Splint, or splent, coal. See Splent coal, under Splent.

   Splint armor,a kind of ancient armor formed of thin plates of metal, usually overlapping each other and allowing the limbs to move freely.

   Splint bone (Anat.), one of the rudimentary, splintlike metacarpal or metatarsal bones on either side of the cannon bone in the limbs of the horse and allied animals.

   Splint coal. See Splent coal, under Splent.

n. One of the rudimentary, splint-like metacarpal or metatarsal bones on either side of the cannon bone in the limbs of the horse and related animals.

n. a rudimentary splint-like metacarpal or metatarsal bone on either side of the cannon bone in the leg of a horse or related animal