(a.) Being or lying under the surface of the earth; situated within the earth or under ground; as, subterranean springs; a subterraneous passage.
Webster's Revised Unabridged Dictionary
| APA | Webster's. (2011). subterraneous. Retrieved September 25, 2026, from http://smartdefine.org/subterraneous/definitions/2067988 |
| Chicago | Webster's. 2011. "subterraneous" http://smartdefine.org/subterraneous/definitions/2067988 (accessed September 25, 2026). |
| Harvard | Webster's 2011, subterraneous, Smart Define, viewed 25 September, 2026, <http://smartdefine.org/subterraneous/definitions/2067988>. |
| MLA | Webster's. "subterraneous" 28 May 2011. Web. 25 September 2026. <http://smartdefine.org/subterraneous/definitions/2067988> |