An opening or perforation:
A retreat or headquarters, as of thieves; haunt
A den or hideaway.
(Chess) The move of a piece from a threatened position.
One that protects:
Find another word for burrows. In this page you can discover 6 synonyms, antonyms, idiomatic expressions, and related words for burrows, like: holes, tunnels, dens, retreats, protections and lairs.