1) Being or suggesting a cavern 2) Hollow 3) Like Carlsbad 4) Vast and hollow 1) Bottomless 2) Concave 3) Deep 4) Expansive 5) Hollow 6) Wide 
• (a.) Having a sound caused by a cavity. • (a.) Filled with small cavities or cells. • (a.) Full of caverns; resembling a cavern or large cavity; hollow.
Relating to a cavern or a cavity; containing many cavities. ... (05 Mar 2000) ... 
(kav´әr-nәs) pertaining to a hollow. cavitary.
Cav'ern·ous adjective [ Latin cavernosus : confer French caverneux .] 1. Full of caverns; resembling a cavern or large cavity; hollow. 2. Filled with small cavities or cells. 3. Having a sound caused by a cavity. Cavernous body , 
Type: Term Pronunciation: kav′er-nŭs Definitions: 1. Relating to a cavern or a cavity; containing many cavities.(vascular) Type: Term Definitions: 1. erectile tissue in the mucous membrane covering the conchae of the nasal cavity. Synonyms: plexus vascularis cavernosus conchae, corpus cavernosum conchae
[adj] - being or suggesting a cavern
cavernous 1. Characterized by or containing cavities. 2. Resulting from the presence of cavities; characteristic of cavitation; cavernous voice sounds. 3. Filled with caverns. 4. Resembling a cavern; such as, in depth, vastness. 5. Like or suggestive of a cavern, especially in being large, dark, deep, and hollow. 5. In anatomy, that which is f...
adjective being or suggesting a cavern; `vast cavernous chambers hollowed out of limestone`
Latin containing caverns or cave-like spaces.
being or suggesting a large dark enclosed space