warmhouse
nounUK /ˈwɔːmhaʊs/
US /ˈwɔːrmhaʊs/
A warmhouse is a cozy place that stays warm inside.
The little plants grew well in the warmhouse all winter.
OTHER MEANINGS
2. A heated building used to grow plants.
They kept the tomatoes in the warmhouse until spring.
3. A warm and comfortable home.
After the long walk, the cabin felt like a warmhouse.
4. A heated shelter for animals.
The farmer built a warmhouse for the baby goats.