SUPERSTRATUM
Su`per*stra"tum, n.; pl. Superstrata (. Etym: [NL.: cf. L.
supersternere, superstratum, to spread upon. See Super-, and
Stratum.]

Defn: A stratum, or layer, above another.

SUPERSTRUCT
Su`per*struct", v. t. Etym: [L. superstructus, p.p. of superstruere
to build upon; super over + struere to build. See Super-, and
Structure.]

Defn: To build over or upon another structure; to erect upon a
foundation.
This is the only proper basis on which to superstruct first innocency
and then virtue. Dr. H. More.

SUPERSTRUCTION
Su`per*struc"tion, n.

1. The act of superstructing, or building upon.

2. That which id superstructed, or built upon some foundation; an edifice; a superstructure. My own profession hath taught me not to erect new superstructions upon an old ruin. Denham.

SUPERSTRUCTIVE
Su`per*struct"ive, a.

Defn: Built or erected on something else. Hammond.

SUPERSTRUCTOR
Su`per*struct"or, n.