An idiom is defined as - a group of words whose meaning is different from the meanings of the individual words.
Idiom:
layaway plan
Meaning:
a plan in which someone pays part of some money that is owed and then pays the rest later and the store keeps the item until the full price has been paid
Example:
I decided to buy the television set on the department store`s layaway plan.
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.