Idioms
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.
Idiom:
X marks the spot
Meaning:
this is the exact spot
Example:
We looked at the map and saw that X marked the spot where the accident had taken place.
List of common idioms, their meanings and examples of their usage in sentences
An idiom is a type of phrase or expression that has a meaning that can't be deciphered by defining the individual words.