Definition of superstruct in US English:

superstruct

verb

  • 1Usually figurative or in figurative contexts.

  • 2In literal sense. Occasionally also in reference to natural structures.

Origin

Mid 17th century; earliest use found in John Jackson (1600–1648). From classical Latin superstruct-, past participial stem of superstruere to build or construct on top (also in figurative use), to provide with a superstructure, after superstruction and superstructure. Compare earlier superstructive and also superstructive.