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:
lay low
Meaning:
to hide, to keep out of sight for a period of time
Example:
The man decided to lay low until his friend forgot that he had damaged his car.
List of common idioms, their meanings and examples of their usage in sentences
Idioms can be a powerful linguistic tool only when they are used in the right way in the right places.