'Chthonic' definitions:

Definition of 'chthonic'

From: WordNet
adjective
Dwelling beneath the surface of the earth; "nether regions" [syn: chthonian, chthonic, nether]

Definition of 'Chthonic'

From: GCIDE
  • Chthonic \Chthon"ic\, a. [Gr. ?, ?, the earth.] Pertaining to the earth; earthy; as, chthonic religions. [1913 Webster]
  • [The] chthonic character of the wife of Zeus. --Max M["u]ller. [1913 Webster] Chthonophagia