EXOSTOSIS
exostosis
(noun) a benign outgrowth from a bone (usually covered with cartilage)
Source: WordNet® 3.1
Etymology
Noun
exostosis (countable and uncountable, plural exostoses)
A benign bony growth, often covered with cartilage, on the surface of a bone or tooth.
Synonyms
• bone spur
Hyponyms
• osteophyte
Source: Wiktionary
Ex`os*to"sis, n. Etym: [NL., fr. Gr. exostose.]
1. (Med.)
Definition: Any protuberance of a bone which is not natural; an excrescence
or morbid enlargement of a bone. Coxe.
2. (Bot.)
Definition: A knot formed upon or in the wood of trees by disease.
Source: Webster’s Unabridged Dictionary 1913 Edition