*cavernou*

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 ]