burrown.[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.()v. i.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 (Zol.), a small owl of the western part of North America (Speotyto cunicularia), which lives in holes, often in company with the prairie dog.()