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:
in a pinch
Meaning:
something is okay when nothing else is available
Example:
The other tool will do in a pinch if we cannot find the correct one.
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.