Breton          
noun uk/ˈbretən/ us/ˈbretən/
 [ U ]布列塔尼语 (法国布列塔尼地区一些人说的凯尔特语族语言) 
the Celtic language spoken by some people in Brittany, France
  He grew up speaking Breton.
  [ C ]法国布列塔尼人 
a person from Brittany in France
  My wife is a Breton.
 - More examples
 - In France, small minorities speak Breton and Basque.
 - They sang in Breton, a Celtic tongue related to Welsh.
 - The inhabitants of the island are mostly descendants of Bretons who settled here 300 years ago.
 - They were Bretons who had served in the French Navy.