noun

"Office building" is a tall building where people go to work. Inside, there are many rooms called offices where people sit at desks, use computers, have meetings, and do different kinds of jobs.

Example

1. My dad works in a large office building in the city center.
2. The new office building has ten floors and many different companies inside.
3. We can see the tall office building from our school because it's the tallest one in our town.