treehouse
nounUK /ˈtriː.haʊs/
US /ˈtriː.haʊs/
A small house built in a tree for children to play in.
The kids spent all afternoon reading comics in their treehouse.
OTHER MEANINGS
2. A platform or shelter built among the branches of a tree, sometimes used as a lookout or retreat.
The birdwatchers climbed to their treehouse to observe the nesting owls.
3. A whimsical or elevated dwelling constructed around a living tree, often in resorts or eco-lodges.
They booked a night in a luxury treehouse overlooking the rainforest canopy.
4. A figurative term for an isolated or elevated position of safety or retreat.
After the argument, he retreated to his mental treehouse and stopped listening.