Source : Webster's Revised Unabridged Dictionary (1913)

Cavernous \Cav"ern*ous\, a. [L. cavernosus: cf. F. caverneux.]
   1. Full of caverns; resembling a cavern or large cavity;
      hollow.

   2. Filled with small cavities or cells.

   3. Having a sound caused by a cavity.

   {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.