superstructure

Plural: superstructures

Noun

• structure consisting of the part of a ship above the main deck
• Any structure built above the top full deck (FM 55-501).
• Any material structure or edifice built on something else; that which is raised on a foundation or basis.
• All that part of a building above the basement.
• The sleepers and fastenings, in distinction from the roadbed.
• The social sphere of ideology which includes religion, art, politics, law and all traditional values.

Antonyms

base, infrastructure, substructure