earthhouse UK /ˈɜːθˌhaʊs/US /ˈɝθˌhaʊs/ noun2 •A dwelling that has been built to blend in with the surrounding landscape, being mostly underground with soil piled against its walls or with a grassy contoured roof; it may also be completely underground, or have a topping of intensive growth. •(no longer used) An underground chamber or habitation; a souterrain. formsearthhouses
