A modern office building.
The definition of a building is a structure or the process of making a structure.
An example of a building is a school.
- anything that is built with walls and a roof, as a house or factory; structure
- the act, process, work, or business of constructing houses, ships, etc.
- Something that is built, as for human habitation; a structure.
- The act, process, art, or occupation of constructing.
- Present participle of build.