1. of, relating to, or made of cartilage
2. belonging to or denoting fish with a skeleton of cartilage rather than bone, such as sharks and rays
Usage: zoology

Examples

• The cartilaginous structure of the ear allows it to bend and flex.
• Sharks are cartilaginous fish that have existed for millions of years.
• The cartilaginous joints in the spine provide flexibility and support.
• Unlike bony fish, cartilaginous fish have a different skeletal composition.
• The cartilaginous tissue in the nose gives it its shape.
• Rays and skates are cartilaginous creatures found in oceans worldwide.