Usually occurs near the end of a long bone

• Benign tumor containing both bone and cartilage

Wiktionary Word definitions in Wiktionary
n. (context medicine English) A benign tumor consisting of bone or cartilage

WordNet Word definitions in WordNet
n. benign tumor containing both bone and cartilage; usually occurs near the end of a long bone

Wikipedia Word definitions in Wikipedia
Osteochondromas or osteocartilaginous exostoses are the most common benign tumors of the bones. The tumors take the form of cartilage-capped bony projections or outgrowth on the surface of bones ( exostoses ). It is characterized as a type of overgrowth ...