a. 1. Eaten, or eaten into, by a worm or by worms; as, worm-eaten timber. [ 1913 Webster ]
Concave as a covered goblet, or a worm-eaten nut. Shak. [ 1913 Webster ]
2. Worn-out; old; worthless. [ R. ] Sir W. Raleigh. [ 1913 Webster ]
-- Worm"-eat`en*ness, n. [R.] Dr. John Smith. [1913 Webster]