VERB (3)

1. break into many pieces;
- Example: "The wine glass shattered"

2. damage or destroy;
- Example: "The news of her husband's death shattered her life"

3. cause to break into many pieces;
- Example: "shatter the plate"

The Collaborative International Dictionary of English v.0.48:

Shatter \Shat"ter\, v. t. [imp. & p. p. Shattered; p. pr. &
   vb. n. Shattering.] [OE. schateren, scateren, to scatter,
   to dash, AS. scateran; cf. D. schateren to crack, to make a
   great noise, OD. schetteren to scatter, to burst, to crack.
   Cf. Scatter.]
   1. 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.
      [1913 Webster]

            A monarchy was shattered to pieces, and divided
            amongst revolted subjects.            --Locke.
      [1913 Webster]

   2. To disorder; to derange; to render unsound; as, to be
      shattered in intellect; his constitution was shattered;
      his hopes were shattered.
      [1913 Webster]

            A man of a loose, volatile, and shattered humor.
                                                  --Norris.
      [1913 Webster]

   3. To scatter about. [Obs.]
      [1913 Webster]

            Shatter your leaves before the mellowing year.
                                                  --Milton.
      [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Shatter \Shat"ter\, v. i.
   To be broken into fragments; to fall or crumble to pieces by
   any force applied.
   [1913 Webster]

         Some fragile bodies break but where the force is; some
         shatter and fly in many places.          --Bacon.
   [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Shatter \Shat"ter\, n.
   A fragment of anything shattered; -- used chiefly or soley in
   the phrase into shatters; as, to break a glass into shatters.
   --Swift.
   [1913 Webster] Shatter-brained

WordNet (r) 3.0 (2006):

shatter
    v 1: break into many pieces; "The wine glass shattered"
    2: damage or destroy; "The news of her husband's death shattered
       her life"
    3: cause to break into many pieces; "shatter the plate"