Word parts owner + -ship Pronunciation (UK) IPA (key): ˈəʊ.nə.ʃɪp (US) IPA (key): ˈoʊ.nɚ.ʃɪp Audio (US)(file) Noun Singular ownership Plural ownerships (countable & uncountable) Ownership is the condition of being an owner.Wikiwand - on Seamless Wikipedia browsing. On steroids.Remove ads