Source : Webster's Revised Unabridged Dictionary (1913)

Derne \Derne\, v. t. & i. [AS. dyrnan to hide. See {Dern}, a.,
   {Dearn}, a.]
   To hide; to skulk. [Scot.]

         He at length escaped them by derning himself in a
         foxearth.                                --H. Miller.