Definitions
1.nounAny structure built above the top full deck (FM 55-501).
2.nounAny material structure or edifice built on something else; that which is raised on a foundation or basis.
3.noun(sometimes figurative) All that part of a building above the basement.
4.nounThe sleepers and fastenings, in distinction from the roadbed.
5.nounThe social sphere of ideology which includes religion, art, politics, law and all traditional values.