adj.
Pronunciation: ' ka-v ə r-n ə s
Function: adjective
Date: 15th century
1 a : having caverns or cavities b of animal tissue : composed largely of vascular sinuses and capable of dilating with blood to bring about the erection of a body part
2 : constituting or suggesting a cavern <a cavernous warehouse>
– cav · ern · ous · ly adverb