Burrowed

a hole or tunnel in the ground made by a rabbit, fox, or similar animal for habitation and refuge.
a place of retreat; shelter or refuge.
to make a hole or passage in, into, or under something.
to lodge in a burrow.
to hide.
to proceed by or as if by digging.
to put a burrow into (a hill, mountainside, etc.).
to hide (oneself), as in a burrow.
to make by or as if by burrowing:
We burrowed our way through the crowd.
Contemporary Examples

Mad Men’s Dramatic Déjà Vu: ‘Time Zones’ Feels Redundant Andrew Romano April 13, 2014
Great Weekend Reads: 4 New Novels, November 13, 2011 Susan Salter Reynolds, Christopher Byrd, John Wilwol, Jennifer Miller November 12, 2011

Historical Examples

The Basket Woman Mary Austin
Arm of the Law Harry Harrison
My Attainment of the Pole Frederick A. Cook
Lord Jim Joseph Conrad
Italian Hours Henry James
Shawl-Straps Louisa M. Alcott
Masters of Space Edward Elmer Smith
Grace Harlowe’s Problem Jessie Graham Flower

noun
a hole or tunnel dug in the ground by a rabbit, fox, or other small animal, for habitation or shelter
a small snug place affording shelter or retreat
verb
to dig (a burrow) in, through, or under (ground)
(intransitive) often foll by through. to move through by or as by digging: to burrow through the forest
(intransitive) to hide or live in a burrow
(intransitive) to delve deeply: he burrowed into his pockets
to hide (oneself)
n.
v.