Idioms
An idiom is defined as - a group of words whose meaning is different from the meanings of the individual words.
Idiom:
split (some people) up or split up (some people)
Meaning:
to separate two or more people from one another
Example:
The teacher had to split the two boys up because they were fighting.
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