solarium

A room, rooftop, balcony, or terrace, used for its abundant sunlight, especially when used as a medical treatment.

My brother kept a health-lift a few years ago... and then he had a blue-glass solarium.

The solariums on the roofs of the houses of the ancient Greeks and Romans testify to the benefits obtained by them from sun baths.

Synonym of tanning salon, a room or business used for its sunlamps or tanning beds.

An earthen structure constructed by certain ants for the purpose of brood incubation.

Synonym of sundial.

[…] this solarium being made for a different meridian […]

[…] lifting his eyes from the solarium set under the aplustre for reference in keeping the course...

A large monument in ancient Rome and its modern ruins.

A former constellation located between the constellations of Horologium, Dorado, and Hydrus