Definition of superterraneous in English:

superterraneous

adjective

rare
  • = superterranean.

Origin

Late 17th century; earliest use found in Philosophical Transactions of the Royal Society of London. From post-classical Latin superterraneus + -ous, after subterraneous.

Pronunciation

superterraneous

/ˌsuːpətəˈreɪnɪəs//ˌsjuːpətəˈreɪnɪəs/