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:
stand up for (someone or something)
Meaning:
to defend against attack, to fight for someone or something
Example:
The citizens of the town were ready to stand up for their rights.
List of common idioms, their meanings and examples of their usage in sentences
A group of words which have a different meaning when used together from the one they would have if you took the meaning of each word separately.