Category:Cartilaginous

Car`ti*lag"i*nous, a. Etym: [L. cartilaginosus: cf. F. cartilagineux.]

1. Of or pertaining to cartilage; gristly; firm and tough like cartilage.

2. (Zoöl.)

Defn: 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.