Source : Webster's Revised Unabridged Dictionary (1913)

Tath \Tath\, v. t.
   To manure (land) by pasturing cattle on it, or causing them
   to lie upon it. [Prov. Eng. & Scot.]

Tath \Tath\, obs.
   3d pers. sing. pres. of {Ta}, to take.

Tath \Tath\, n. [Prov. E.; of Scand. origin; cf. Icel. ta? dung,
   ta?a the grass of a manured pasture, te?ja to manure.
   [root]58. Cf. {Ted}.]
   1. Dung, or droppings of cattle. [Prov. Eng. & Scot.]

   2. The luxuriant grass growing about the droppings of cattle
      in a pasture. [Prov. Eng. & Scot.]