Subterrane
Pronunciation : Sub"ter*rane
Part of Speech : n.
Etymology : [Cf. L. subterraneum, F. souterrain. See Subterranean.]
Definition : Defn: A cave or room under ground. [R.] J. Bryant.
Source : Webster's Unabridged Dictionary, 1913
Merriam-Webster's Everyday Language Reference Set: Includes: The Merriam-Webster Dictionary, The Merriam-Webster Thesaurus, and The Merriam-Webster Vocabulary Builder