Noah Webster's New International Dictionary of the English Language

1. (v. t.) To break at once into many pieces; to dash, burst, or part violently into fragments; to rend into splinters; as, an explosion shatters a rock or a bomb; too much steam shatters a boiler; an oak is shattered by lightning.

2. (v. t.) To disorder; to derange; to render unsound; as, to be shattered in intellect; his constitution was shattered; his hopes were shattered.

3. (v. t.) To scatter about.

4. (v. i.) To be broken into fragments; to fall or crumble to pieces by any force applied.

5. (n.) A fragment of anything shattered; -- used chiefly or solely in the phrase into shatters; as, to break a glass into shatters.