Definition of: burrow

(bûr′ō) noun
1. A hole made in and under the ground, as by a rabbit, etc., for habitation.
2. A mound or barrow.
—v.t.
1. To make by burrowing.
2. To perforate with or as with burrows.
—v.i.
3. To live or hide in or as in a burrow.
4. To make a burrow or hole.
5. To dig into, under, or through something; bore. ◆ Homophone: borough. [ME borow. Related to BOROUGH.]
—bur′·row·er noun