idiom
nounUK /ˈɪdiəm/
US /ˈɪdiəm/
A group of words that means something different from what the words say.
"Break a leg" is an idiom that means "good luck."
RELATED WORDS
OTHER MEANINGS
2. The way of speaking that is natural to a group of people or a place.
The idiom of the region was hard for visitors to follow.
3. A style of artistic expression special to a person or group.
The painter worked in the idiom of early jazz.
4. The typical way a person thinks or behaves.
Kindness was part of his idiom.