osteophyte Syllabification: (os·te·o·phyte)Pronunciation: /ˈästēəˌfīt/Definition of osteophyte noun Medicine a bony outgrowth associated with the degeneration of cartilage at joints. Derivatives osteophyticPronunciation: /ˌästēəˈfitik/ adjective osteophyte in other Oxford dictionaries Definition of osteophyte in the British & World English dictionary