屋根 refers to the roof of a building.
Etymology
屋 (house) + 根 (root/base) - the "base" covering of a house.
Types
- 瓦屋根: tiled roof (traditional Japanese)
- 茅葺き屋根: thatched roof
- 三角屋根: triangular/gabled roof
Common collocations
Compounds
Common expressions
同じ屋根の下に住む: to live under the same roof (together)