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:
a slip of the tongue
Meaning:
something that is said at the wrong time and is not what you want to say
Example:
The clerk's comment to the customer was a slip of the tongue.
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.