Idioms
A group of words which have a different meaning when used together from the one they would have if you took the meaning of each word separately.
Idiom:
give chase to (someone or something)
Meaning:
to chase or run after someone or something
Example:
The police gave chase to the man who robbed the store.
List of common idioms, their meanings and examples of their usage in sentences
The language peculiar to a people or to a district, community, or class