Definition of "Bourguignon"

He published an edition of Virgil in the Bourguignon dialect, with notes, at Dijon, in 1831.

1843, The biographical dictionary of the Society for the diffusion of Useful Knowledge, Great Britain

Another consequence is that French has become increasingly different from Oïl varieties, which cannot be considered as French dialects today; Franc- Comtois, Walloon, Picard, Norman, Gallo, Poitevin-Saintongeais, Bourguignon-Morvandiau, Lorrain [...]

2008, Gillian Sankoff, Miriam Meyerhoff, Naomi Nagy, Social Lives in Language--sociolinguistics and Multilingual Speech

[And] instead of recovering the Bourguignon dialect, he recovered good Parisian French!

2016, Fanny Madeline, Meredith Cohen, Space in the Medieval West