Bret·on 
(brĕtn)
(brĕtn)adj.
Of or relating to Brittany or its people, language, or culture.
n.
1.
a. A native or inhabitant of Brittany.
b. A person of Breton ancestry.
2. The Celtic language of Brittany. Also called Armoric.
[Middle English, from Old French; see BRITON.]