Definitions
1.NounA room, rooftop, balcony, or terrace, used for its abundant sunlight, especially when used as a medical treatment.
2.NounSynonym of tanning salon, a room or business used for its sunlamps or tanning beds.
3.NounAn earthen structure constructed by certain ants for the purpose of brood incubation.
4.NounSynonym of sundial.