cartilaginous

adjective

1. of or resembling cartilage.
2. having a skeleton composed either entirely or mainly of cartilage, as vertebrates of the class Chondrichthyes, which includes the sharks, rays, and skates.

adj.

1540s, from French cartilagineux and directly from Latin cartilaginosus, from cartilago (genitive cartilaginis) “cartilage, gristle” (see cartilage).

adj.

1. Chondral.
2. Having a skeleton consisting primarily of cartilage.
3. Having the texture of cartilage.