Cavernous

Part of speech: adjective (a.)

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.