Where the connecting medium is hyaline cartilage, a cartilaginous joint is termed a synchondrosis. An example of a synchondrosis joint is the first sternocostal joint (where the first rib meets the sternum). In this example, the rib articulates with the sternum via the costal cartilage. (The rest of the sternocostal joints are synovial plane joint...
• (n.) An immovable articulation in which the union is formed by cartilage.
(sin″kon-dro´sis) a type of cartilaginous joint in which the cartilage is usually converted into bone before adult life.
Syn`chon·dro'sis noun ; plural Synchondroses . [ New Latin , from Greek ...; 
Type: Term Pronunciation: sin′kon-drō′sis, -sēz Definitions: 1. Cartilaginous joint in which two bones are united either by hyaline cartilage or fibrocartilage. Synonyms: synchondrodial joint
(sin;kon-dro;sis) A cartilaginous joint in which the articulating bones are separated by hyaline cartilage.
Greek syn = with, and chondros = cartilage; hence, the union of 2 bones by cartilage.
The union of bones by means of fibrous or elastic cartilage