An animal that lives in an underground hole that it has made itself(noun)
Wiktionary.org : Text is available under the Creative Commons Attribution-ShareAlike License
Use "burrower" in a sentence
"Oh, that a Cheney 'burrower' ensured that Abdulmutallab was not on the 'No-Fly' list, so that the US would be attacked under Obama?"
"Under study, a hand congealed from its coating of desert, ww1-leftover helmets, a burrower nose squashed against the wall of the foxhole, the rifle in a fruitless caress."
"But we never say--for example--'free as a mole', although the same circumstances apply to the burrower."