Idioms
An idiom is defined as - a group of words whose meaning is different from the meanings of the individual words.
Idiom:
hit the roof
Meaning:
to become very angry, to go into a rage
Example:
The father hit the roof when he discovered that his son had wrecked the family car.
List of common idioms, their meanings and examples of their usage in sentences
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.