Source : Webster's Revised Unabridged Dictionary (1913)

Worm-eaten \Worm"-eat`en\, a.
   1. Eaten, or eaten into, by a worm or by worms; as,
      worm-eaten timber.

            Concave as a covered goblet, or a worm-eaten nut.
                                                  --Shak.

   2. Worn-out; old; worthless. [R.] --Sir W. Raleigh. --
      {Worm"-eat`en*ness}, n. [R.] --Dr. John Smith.