- of or like cartilage; gristly
- having a skeleton made up mainly of cartilage, as any of a class (Chondrichthyes) of fishes (cartilaginous fish), including sharks, rays, and skates
- Of, relating to, or consisting of cartilage.
- Having a skeleton consisting mainly of cartilage.
- Having the texture of cartilage; firm and tough, yet flexible.
(comparative more cartilaginous, superlative most cartilaginous)