The Collaborative International Dictionary of English v.0.48:

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.
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   2. To lodge, or take refuge, in any deep or concealed place;
      to hide.
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            Sir, this vermin of court reporters, when they are
            forced into day upon one point, are sure to burrow
            in another.                           --Burke.
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   Burrowing owl (Zool.), a small owl of the western part of
      North America (Speotyto cunicularia), which lives in
      holes, often in company with the prairie dog.
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