treehouse means A house, or similar structure within a tree, or several trees, built with light materials. Lexicurio rates it Sui generis — a strength score of 93 out of 100.
noun
- A house, or similar structure within a tree, or several trees, built with light materials.“so that I am high and dry, and have all the better view too, quite a grand flight of steps-a broad ladder-up into my house. The Mahaga lads and I call it my tree-house.”
- A tropical residence built in a tree, or on stilts.