The Collaborative International Dictionary of English v.0.48:

Tump \Tump\ (t[u^]mp), n. [W. twmp, twm, a round mass or heap, a
   hillock.]
   A little hillock; a knoll. --Ainsworth.
   [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Tump \Tump\, v. t. [imp. & p. p. Tumped (t[u^]mt; 215); p. pr.
   & vb. n. Tumping.]
   1. To form a mass of earth or a hillock about; as, to tump
      teasel.
      [1913 Webster]

   2. To draw or drag, as a deer or other animal after it has
      been killed. [Local, U. S.] --Bartlett.
      [1913 Webster]