The term UNDERGROUND HOME is a type of dwelling that is built below the surface of the ground. The term can refer to a variety of structures, such as a bunker, cave, or even a house built into the side of a hill. The crossword solution for this term is WARREN, which is a type of underground home that is typically associated with rabbits and other burrowing animals. Warrens are usually constructed by digging out a large area and then building walls and a roof to create a living space.