worm-eaten 
adjective
1(Of organic tissue) eaten into by worms: a worm-eaten corpse...
- They fish a worm-eaten corpse out of the river while swimming.
- Now, on the whole, this sort of vivid reference to rotting flesh and the worm-eaten body is not a very good argument for seduction.
1.1(Of wood or a wooden object) full of holes made by woodworm: the worm-eaten stairs...
- Imposing at 75 inches on a side and 7 inches deep, the painting, like eight others shown here, has holes drilled in its edges, like worm-eaten driftwood.
- Fourteen-centimetre shells sit on the sea floor nearby, in what is left of the worm-eaten wooden boxes that once held them.
- Then you got the fun of walking over a narrow worm-eaten wooden bridge with the water lapping a few inches below.