noun a manner of speaking that is natural to native speakers of a language.
— synonyms: parlance
noun the usage or vocabulary that is characteristic of a specific group of people.
— synonyms: dialect, accent
noun the style of a particular artist or school or movement.
— synonyms: artistic_style
noun an expression whose meanings cannot be inferred from the meanings of the words that make it up.
— synonyms: idiomatic_expression, phrasal_idiom, set_phrase, phrase