What is the meaning of Greenhouse?

A building used to grow plants, particularly one with large glass windows or plastic sheeting to trap heat from sunlight even in intemperate seasons or climates.

The glass of a plane's cockpit.

A structure that shields the operating table to protect against bacteria.

A hot state in global climate.

To place (plants) in a greenhouse.

To nurture in order to promote growth.

greenhouse

Source: wiktionary.org