idiom

Noun

• an expression whose meanings cannot be inferred from the meanings of the words that make it up

• the style of a particular artist or school or movement
  • an imaginative orchestral idiom
    

• the usage or vocabulary that is characteristic of a specific group of people
  • the immigrants spoke an odd dialect of English
    
  • he has a strong German accent
    
  • it has been said that a language is a dialect with an army and navy
    

• a manner of speaking that is natural to native speakers of a language

Related words

• Synonyms: 
  idiomatic expression , phrasal idiom , set phrase , phrase , artistic style , dialect , accent , parlance