OccitanPronunciation: /ˈɒksɪt(ə)n/Definition of Occitan noun [mass noun] the medieval or modern language of Languedoc, including literary Provençal of the 12th-14th centuries. adjective relating to Occitan. Derivatives Occitanian noun & adjective Origin:French (see also langue d'oc)Occitan in other Oxford dictionaries Definition of Occitan in the US English dictionary