solarium
/səʊˈleərɪəm/noun
(pl. solariums或solaria /-rɪə/)
1- a room equipped with sunlamps or sunbeds which can be used to acquire an artificial suntan日光浴室。
1.1
- a room fitted with extensive areas of glass to admit sunlight日光间（装有大面积的玻璃可以接收阳光）。
词源
mid 19th cent.: from Latin， literally 'sundial， place for sunning oneself'， from Latin sol 'sun'.