RONGORONGO Meaning of RONGORONGO in English [ ˌrɒŋgəʊ'rɒŋgəʊ ]■ noun Archaeology an ancient script of hieroglyphic signs found on wooden tablets on Easter Island.Originearly 20th cent.: a local word. Concise Oxford English vocab. Сжатый оксфордский словарь английского языка. 2004