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Webster 1913 Edition

Adj.

[See

Half-rotten;

as,

doty

timber

[Local, U. S.]

doty ‎(comparative dotier, superlative dotiest)

(carpentry, of wood) Suffering from rot, or waterlogged
- 1903, John Fox Jr., The Little Shepherd of Kingdom Come
  An hour later, he came upon a hollow tree, filled with doty wood which he could tear out with his hands and he built a fire and broiled a little more bacon.
(US, dialectal, of a person) Senile; in one's dotage