'Langue d'oil' definitions:
Definition of 'Langue d'oil'
From: WordNet
noun
Medieval provincial dialects of French spoken in central and northern France [syn: Langue d'oil, Langue d'oil French]
Definition of 'Langue d'oil'
From: GCIDE
- Langue d'oil \Langue` d'o["i]l"\ [F., language of o["i]l yes.] The dialect formerly spoken north of the Loire (in which the word for "yes" was oil, F. oui). [1913 Webster]