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 one engraving from van Deventer’s manual, his arm is shown inserted into an empty uterus almost up to the elbow, the engraver’s close, texturing lines transforming his hand into a radiating light within a cavernous female darkness. —Literary Hub, 16 June 2026

Teams that can take advantage of the gaps in the cavernous outfield are rewarded, and West Virginia ranks among the national leaders in doubles and, with over 100 steals, can take the extra base. —CBS News, 12 June 2026

The two-day meeting concluded Wednesday after bringing more than 11,000 delegates, or messengers, to a cavernous convention center in Orlando, Florida. —Peter Smith, Los Angeles Times, 11 June 2026

While Debi’s feels almost cavernous with its brick-laden ground floor space, Tandem is decidedly more modern, with large windows overlooking the street and a polished cocktail menu. —Condé Nast, Condé Nast Traveler, 9 June 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