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.
Idiom:
tug-of-war
Meaning:
a game in which two teams pull on opposite ends of a rope and try to pull the other team over a line marked on the ground
Example:
The children played tug-of-war at the summer camp.
List of common idioms, their meanings and examples of their usage in sentences
An expression in the usage of a language that is peculiar to itself either in having a meaning that cannot be derived from the conjoined meanings of its elements or in its grammatically atypical use of words.