Noah Webster's New International Dictionary of the English Language
1. (n.) To split or rend into long, thin pieces; to shiver; as, the lightning splinters a tree.
2. (n.) To fasten or confine with splinters, or splints, as a broken limb.
3. (v. i.) To become split into long pieces.
4. (n.) A thin piece split or rent off lengthwise, as from wood, bone, or other solid substance; a thin piece; a sliver; as, splinters of a ship's mast rent off by a shot.