Greenhouse has 5 different meanings across 3 categories:
Noun · Adjective · Proper Noun
a building with glass walls and roof; for the cultivation and exhibition of plants under controlled conditions
"The local nursery operates a large greenhouse where rare orchids are grown in perfect humidity year-round."
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 farmer constructed a greenhouse with transparent plastic walls to protect his delicate seedlings from the harsh winter frost."
In plain English: A greenhouse is a glass building used to grow plants by trapping heat from the sun inside.
"We grew fresh tomatoes in our backyard greenhouse during the winter."
Usage: A greenhouse is specifically designed to protect and nurture delicate plants by trapping solar heat during colder months. While the term can function as a verb meaning to cultivate indoors, it most commonly refers to the physical structure itself rather than any metaphorical sense of making something "green."
To place (plants) in a greenhouse.
"The gardener decided to greenhous the delicate seedlings before the first frost arrived."
In plain English: To greenhouse something means to trap heat around it so that its temperature rises, just like how glass covers keep plants warm inside a garden structure.
"The new policy will greenhouse competition by creating unfair advantages for large corporations."
A surname.
"Mr. Greenhouse introduced his family to the community meeting last night."
The word greenhouse is a compound of green and house that originally described buildings used specifically for cultivating leafy vegetables. Over time, its meaning broadened to refer to any glass structure designed for plant cultivation, regardless of what specific crops are grown inside.