Idioms
An idiom is a group of words, or in other words, a phrase that has a meaning other than its literal meaning of the words in it.
Idiom:
feather one's nest
Meaning:
to enrich oneself (while holding public office or a trusted job etc.)
Example:
The mayor has been feathering his nest for many years and is now very rich.
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.