Cavernous means to be filled or to be full of caverns. A cavern is a huge cave or an underground chamber. The word "cavern" has a Latin origin, 'cavus" meaning hollow. The word "cavernous" is used when one wants to describe the immense depth, darkness or vastness of a particular object, place or feeling. When you want to relate to something which is "closing in" or "curving inwards", you can use the term "cavernous." An open mouthed gesture like a yawn or a gape can also be termed as cavernous. A porous area is also said to be cavernous.
The other meaning of cavernous means "erectile" or filled with blood and becoming rigid and distended. For example an organ like a penis filled with erectile tissue is said to be cavernous.
The other meaning of cavernous means "erectile" or filled with blood and becoming rigid and distended. For example an organ like a penis filled with erectile tissue is said to be cavernous.