dialect
US /ˈdaɪ.ə.lekt/
UK /ˈdaɪ.ə.lekt/

1.
方言, なまり
a particular form of a language which is peculiar to a specific region or social group
:
•
The local dialect is quite different from the standard language.
地元の方言は標準語とはかなり異なります。
•
She speaks with a strong regional dialect.
彼女は強い地域の方言で話します。