[1] : The Collaborative International Dictionary of English v.0.48

cavernous \cav"ernous\, 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
see also:
cavernous body cavernous respiration 

[2] : WordNet (r) 2.0

cavernous
     adj 1: being or suggesting a cavern; "vast cavernous chambers
            hollowed out of limestone"
     2: 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
see also:
erectile 

[3] : Moby Thesaurus II by Grady Ward, 1.0

53 moby thesaurus words for "cavernous":
   abysmal, abyssal, boat-shaped, boatlike, bottomless, bowl-shaped,
   bowllike, cavelike, commodious, concave, concaved, craterlike,
   cup-shaped, cupped, cymbiform, deep as hell, dish-shaped, dished,
   dishing, dishlike, fathomless, funnel-breasted, funnel-chested,
   funnel-shaped, gaping, hollow, hollowed, incurved, incurving,
   incurvous, infundibular, infundibuliform, navicular, naviform,
   plumbless, plunging, retiring, retreating, reverberant,
   saucer-shaped, scaphoid, scyphate, sepulchral, soundless,
   spoonlike, sunk, sunken, unfathomable, unfathomed, unsounded, vast,
   without bottom, yawning

Cavernous >> C Words
Cavernous, definition of term: Cavernous
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