CARTILAGINOUS

cartilaginous. Cartilaginous, a. having or like gristles, gristly

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Car′ti‐lag″i‐nous (?), a. [[L. cartilaginosus: cf. F. cartilagineux.]] 1. 1. Of or pertaining to cartilage; gristly; firm and tough like cartilage.
2. 2. (Zoöl.) 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.