Category:Subterranean

Sub`ter*ra"ne*an, sub`ter*ra"ne*ous, a. Etym: [l. subterraneus; sub Under + terra earth. See terrace.]

Defn: being or lying under the surface of the earth; situated within The earth, or under ground; as, subterranean springs; a subterraneous Passage. -- sub`ter*ra"ne*ous*ly, adv.