Pronunciation : Su`per*struc"ture Part of Speech : n. Etymology : [Cf. F. superstructure.] Definition : 1. Any material structure or edifice built on something else; that which is raised on a foundation or basis; esp. (Arch.),
Defn: all that part of a building above the basement. Also used figuratively. You have added to your natural endowments the superstructure of study. Dryden.
2. (Railway Engin.)
Defn: The sleepers, and fastenings, in distinction from the roadbed. Source : Webster's Unabridged Dictionary, 1913