angwantibo Syllabification: (ang·wan·ti·bo)Pronunciation: /aNGˈ(g)wäntəˌbō/Definition of angwantibo noun (plural angwantibos) a small rare nocturnal primate of west central Africa, related to the potto. Arctocebus calabarensis, family Lorisidae Origin: mid 19th century: from Efikangwantibo in other Oxford dictionaries Definition of angwantibo in the British & World English dictionary