exostosis

From Koine Greek ἐξόστωσις (exóstōsis, “diseased excrescence on the bone”), from Ancient Greek ὀστέον (ostéon, “bone”)

exostosis (countable and uncountable, plural exostoses)

1. A benign bony growth, often covered with cartilage, on the surface of a bone or tooth.

• bone spur

• osteophyte

• ectostosis, endostosis
• osteosis, ostosis
• hyperostosis