[{"Bold_text": "noun", "List Items": ["an Inuit house, being a dome-shaped hut usually built of blocks of hard snow.", "Informal.any dome-shaped construction thought to resemble an igloo:immense silos topped with steel igloos.", "Military.a dome-shaped building for the storage of rockets or other munitions.", "an excavation made by a seal in the snow over its breathing hole in the ice."]}]