Definitions of superstructure

1. Any material structure or edifice built on something else; that which is raised on a foundation or basis

2. all that part of a building above the basement. Also used figuratively.

3. The sleepers, and fastenings, in distinction from the roadbed.

4. Anything built on something else; a building above the basement.

5. A structure above or on something else: anything erected on a foundation.

6. Structure erected on something else, or on a foundation.

7. A structure built upon something else.

8. Any structure or edifice built on something else; particularly, the building raised on a foundation; anything erected on a foundation or basis.

9. Any edifice or erection built upon something else; that which is raised or built on a foundation or basis.