amphibious
am·phib·i·ous
/æmˈfıbijəs/ adj
1 : able to live both on land and in water
amphibious plants/animals
2 : able to be used both on land and water
amphibious airplanes/vehicles
3 : done by soldiers who are brought to land in special boats : carried out by land and sea forces acting together
an amphibious assault/landing