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Noun: idiom  i-dee-um
  1. A manner of speaking that is natural to native speakers of a language
    - parlance
  2. The usage or vocabulary that is characteristic of a specific group of people
    "the immigrants spoke an odd idiom of English";
    - dialect, accent
  3. The style of a particular artist, school or movement
    "an imaginative orchestral idiom";
    - artistic style
  4. An expression whose meanings cannot be inferred from the meanings of the words that make it up
    - idiomatic expression, phrasal idiom, set phrase, phrase

Derived forms: idioms

Type of: expression, fashion, formulation, locution, manner, mode, non-standard speech, saying, style, way

Encyclopedia: Idiom