A burrow is an underground TUNNEL or HOLE dug by an animal for shelter and protection. The crossword solutions for the term burrow include CUDDLE (6 letters), EXPLORE (7 letters), INVESTIGATE (11 letters), COUCH (5 letters), CAVERN (6 letters), GRUB (4 letters), HIDE (4 letters), HOVEL (5 letters), EXCAVATION (10 letters), EXCAVATE (8 letters), RATHOLE (7 letters), LODGE (5 letters), HOME (4 letters), TUNNEL (6 letters), DEN (3 letters), DIG (3 letters), LAIR (4 letters), HOLE (4 letters), and NUZZLE (6 letters). These words all describe different types of burrows, from a cozy HOME to a dark cave.