car·ti·lag·i·nous /ˌkɑrtəˈlæʤənəs/
  (a.)軟骨的,軟骨質的
  car·ti·lag·i·nous /-nəs/ 形容詞
  Car·ti·lag·i·nous a.
  1. Of or pertaining to cartilage; gristly; firm and tough like cartilage.
  2. Zool. Having the skeleton in the state of cartilage, the bones containing little or no calcareous matter; said of certain fishes, as the sturgeon and the sharks.
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  cartilaginous
       adj : difficult to chew [syn: gristly, rubbery]