Definitions

1. noun

A room or structure designed to receive sunlight, often with a glass roof or walls.

“The house had a beautiful solarium where the family could relax and enjoy the sunshine.”

2. noun

A greenhouse or a glasshouse for growing plants, especially tropical plants.

“The botanist worked in the solarium, tending to the exotic plants and flowers.”

3. noun

A sunroom or a sun porch.

“The house had a solarium with sliding glass doors that led out to the backyard.”