What does "cavernous" mean?

Cavernous: Filled with small cavities or cells.

Additional senses

  1. 2.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.

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