burrows

Animals such as rabbits and water voles dig holes or tunnels in the ground to make a safe place to live or hide. These are called burrows.
Found on http://www.conservancy.co.uk/learn/wordlist.htm

burrows

holes in the ground used as shelter by animals; to dig such a hole or go under something, as an animal's skin
Found on http://insectzoo.msstate.edu/Glossary/

Burrows

Linear or serpiginous (wavy, serpent-like borders) tunnels within the epidermis.
Found on http://missinglink.ucsf.edu/lm/DermatologyGlossary/b.html
No exact match found