a piece split off; a splinter.-a thin piece of wood, or other substance, used to keep in place, or protect, an injured part, especially a broken bone when set.-a splint bone.-a disease affecting the splint bones, as a callosity or hard excrescence.-one of the small plates of metal used in making splint armor. see splint armor, below.-splint, or splent, coal. see splent coal, under splent.-to split into splints, or thin, slender pieces; to splinter; to shiver.-to fasten or confine with splints, as a broken limb. see splint, n., 2.