solarium
noun /səˈleəriəm/
/səˈleriəm/
- a room whose walls are mainly made of glass, or which has special lamps, where people go to get a suntan (= make their skin go brown) using light from the sun or artificial lightWord Originmid 19th cent.: from Latin, literally ‘sundial, place for sunning oneself’, from Latin sol ‘sun’.