cavernous

adjective

cav·​ern·​ous ˈka-vər-nəs 

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

cavernously adverb

Examples of cavernous in a Sentence

We toured the cavernous airplane hangar.

The dance was held in a cavernous hall.

Recent Examples on the Web

In South Africa’s northernmost province, under a cavernous expanse of jagged gray rock, lies a mineral treasure trove that could play a pivotal role in the country’s relationship with global superpowers. — Alexis Akwagyiram, semafor.com, 21 Sep. 2026

The cavernous arena was filled with exhibits showcasing the convention center’s history, including tributes to musical artists, political leaders, athletes, and even circus performers who have performed under that iconic domed ceiling. — Emily Holshouser, Fort Worth Star-Telegram, 21 Sep. 2026

Now a new Cherry Orchard, the work of another Australian auteur, Simon Stone, has put down roots in the cavernous drill hall of the Park Avenue Armory, and the angry young tutor goes even further. — Sara Holdren, Vulture, 18 Sep. 2026

Today, the old factory is a mix of cavernous workspaces and comfortable living areas. — Abby Montanez, Robb Report, 16 Sep. 2026

Word History

Etymology

Middle English, borrowed from Middle French & Latin; Middle French, borrowed from Latin cavernōsus "having hollows or depressions," from caverna "hollow space, cavern entry 1" + -ōsus -ous

First Known Use

15th century, in the meaning defined at sense 1a

Kids Definition

cavernous

adjective

cav·​ern·​ous ˈkav-ər-nəs 

1

: having caverns or cavities

2

: resembling a cavern in being large and hollow

3

: composed largely of spaces capable of filling with blood to bring about the enlargement of a body part

cavernously adverb

Medical Definition

cavernous

adjective

cav·​ern·​ous ˈkav-ər-nəs 

1

: having caverns or cavities

2

of tissue : composed largely of vascular sinuses and capable of dilating with blood to bring about the erection of a body part