Idioms
An idiom is a group of words, or in other words, a phrase that has a meaning different from the literal meaning of the words in it.
Idiom:
wear away
Meaning:
to disappear little by little by use or time or weather
Example:
The paint on the table is wearing away.
List of common idioms, their meanings and examples of their usage in sentences
The language peculiar to a people or to a district, community, or class