splinterv. t.[Cf. LG. splittern, splinteren. See Splint, n., Split.]1. To split or rend into long, thin pieces; to shiver; as, the lightning splinters a tree.()After splintering their lances, they wheeled about, and . . . abandoned the field to the enemy. (Prescott.)2. To fasten or confine with splinters, or splints, as a broken limb.(Bp. Wren.)v. i. To become split into long pieces.()n.[See Splinter, v., or Splint, 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.()()Splinter bar. (a) A crossbar in a coach, which supports the springs. (b) The bar to which the traces are attached; a roller bolt; a whiffletree.()