from Wiktionary, Creative Commons Attribution/Share-Alike License
- adj. Subterranean.
from The Century Dictionary and Cyclopedia
- Same as subterranean.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- adj. lying beyond what is openly revealed or avowed (especially being kept in the background or deliberately concealed)
- adj. being or operating under the surface of the earth
Sorry, no etymologies found.