• The dialect, closely akin to French, formerly spoken south of the Loire (in which the word for `yes` was oc); Provencal.
Langue` d'oc' [ French, language of oc yes.] The dialect, closely akin to French, formerly spoken south of the Loire (in which the word for 'yes' was oc ); Provençal. 
[n] - medieval provincial dialects of French formerly spoken in the south of France
Langue d`oc French noun medieval provincial dialects of French formerly spoken in the south of France