- 1: A usually translucent somewhat elastic tissue that composes most of the skeleton of vertebrate embryos and except for a small number of structures (as some joints, respiratory passages, and the external ear) is replaced by bone during ossification in the higher vertebrates.
2: A part or structure composed of cartilage.
Definition from: Merriam-Webster's Medical Dictionary by Merriam-Webster Inc.
- A tough, flexible tissue that lines joints and gives structure to the nose, ears, larynx, and other parts of the body.
National Cancer Institute
See also Understanding Medical Terminology.