Meaning ofidiomin English

Noun

1. a phrase with non-literal meaning (fixed expression)
   The phrase "break a leg" is an idiom that means good luck.
2. an expression with meaning beyond literal word meanings
   The idiom "cost an arm and a leg" refers to something that is very expensive.
3. a unique expression style; language or group specific
   Each region has its own unique idiom that reflects the local culture.
4. a language's characteristic mode of speech
   The language's idiom is what makes it distinct from other forms of expression.