Pronunciation: (kav'ur-nus), [key]
1. being, resembling, or suggestive of a cavern: a vast, cavernous room.
2. deep-set: cavernous eyes.
3. hollow and deep-sounding: a cavernous voice.
4. containing caverns.
5. full of small cavities; porous.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.