The roof of a building—the structure that covers the top to protect the house from rain, snow, wind, etc.
強い風で屋根の瓦が飛んでしまった。
Strong winds blew the roof tiles away.
屋根に雪が積もって滑りやすい。
Snow has piled up on the roof and it's slippery.
古い家の屋根を修理する必要がある。
The roof of the old house needs repair.