GENTOO Meaning of GENTOO in English [ dʒɛn'tu: ]■ noun a tall penguin with a white triangular patch above the eye. [ Pygoscelis papua .]OriginC19: perh. from Anglo-Ind. Gentoo 'a Hindu', from Port. gentio 'gentile'. Concise Oxford English vocab. Сжатый оксфордский словарь английского языка. 2004