Source : Webster's Revised Unabridged Dictionary (1913)

Burrow \Bur"row\, n. [See 1st {Borough}.]
   1. An incorporated town. See 1st {Borough}.

   2. A shelter; esp. a hole in the ground made by certain
      animals, as rabbits, for shelter and habitation.

   3. (Mining) A heap or heaps of rubbish or refuse.

   4. A mound. See 3d {Barrow}, and {Camp}, n., 5.

Burrow \Bur"row\, v. i. [imp. & p. p. {Burrowed}; p. pr. & vb.
   n. {Burrowing}.]
   1. To excavate a hole to lodge in, as in the earth; to lodge
      in a hole excavated in the earth, as conies or rabbits.

   2. To lodge, or take refuge, in any deep or concealed place;
      to hide.

            Sir, this vermin of court reporters, when they are
            forced into day upon one point, are sure to burrow
            in another.                           --Burke.

   {Burrowing owl} (Zo["o]l.), a small owl of the western part
      of North America ({Speotyto cunicularia}), which lives in
      holes, often in company with the prairie dog.

Source : WordNet®

burrow
     n : a hole in the ground made by an animal for shelter [syn: {tunnel}]
     v : move through by or as by digging; "burrow through the
         forest" [syn: {tunnel}]