'Cavernous' definitions:

Definition of 'cavernous'

From: WordNet
adjective
Being or suggesting a cavern; "vast cavernous chambers hollowed out of limestone"
adjective
Filled with vascular sinuses and capable of becoming distended and rigid as the result of being filled with blood; "erectile tissue"; "the penis is an erectile organ" [syn: erectile, cavernous]

Definition of 'Cavernous'

From: GCIDE
  • Cavernous \Cav"ern*ous\, a. [L. cavernosus: cf. F. caverneux.]
  • 1. Full of caverns; resembling a cavern or large cavity; hollow. [1913 Webster]
  • 2. Filled with small cavities or cells. [1913 Webster]
  • 3. Having a sound caused by a cavity. [1913 Webster]
  • Cavernous body, a body of erectile tissue with large interspaces which may be distended with blood, as in the penis or clitoris.
  • Cavernous respiration, a peculiar respiratory sound andible on auscultation, when the bronchial tubes communicate with morbid cavities in the lungs. [1913 Webster]

Synonyms of 'cavernous'

From: Moby Thesaurus