KrioPronunciation: /ˈkriːəʊ/Definition of Krio noun [mass noun] an English-based Creole language of Sierra Leone. It is the first language of about 350,000 people and is used as a lingua franca by over 3 million. adjective relating to Krio. Origin:probably an alteration of CreoleKrio in other Oxford dictionaries Definition of Krio in the US English dictionary
