Idioms
Idioms are phrases which cannot be understood simply by looking at the meaning of the individual words in the phrase.
Idiom:
Katie bar the door
Meaning:
get ready for trouble, a desperate situation is at hand
Example:
The gang arrived at the hotel and were ready to come in and fight when the owner yelled, "Katie bar the door."
List of common idioms, their meanings and examples of their usage in sentences
An idiom is defined as - a group of words in a fixed order that has a particular meaning that is different from the meanings of each word on its own.