圆顶建筑
Igloo \Ig"loo\, n. 1. An Eskimo snow house. 2. (Zo["o]l.) A cavity, or excavation, made in the snow by a seal, over its breathing hole in the ice.
igloo n : an Eskimo hut; usually built of blocks (of sod or snow) in the shape of a dome [syn: {iglu}]