v. t. [ L. superstructus, p. p. of superstruere to build upon; super over + struere to build. See Super-, and Structure. ] To build over or upon another structure; to erect upon a foundation. [ 1913 Webster ]

This is the only proper basis on which to superstruct first innocency and then virtue. Dr. H. More. [ 1913 Webster ]

n. 1. The act of superstructing, or building upon. [ 1913 Webster ]

2. That which is superstructed, or built upon some foundation; an edifice; a superstructure. [ 1913 Webster ]

My own profession hath taught me not to erect new superstructions upon an old ruin. Denham. [ 1913 Webster ]

a. Built or erected on something else. Hammond. [ 1913 Webster ]

n. One who builds a superstructure. [ R. ] R. North. [ 1913 Webster ]

n. [ Cf. F. superstructure. ] 1. Any material structure or edifice built on something else; that which is raised on a foundation or basis; esp. (Arch.), all that part of a building above the basement. Also used figuratively. [ 1913 Webster ]

You have added to your natural endowments the superstructure of study. Dryden. [ 1913 Webster ]

2. (Railway Engin.) The sleepers, and fastenings, in distinction from the roadbed. [ 1913 Webster ]