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:
skip out on (someone or something)
Meaning:
to sneak away from someone or some event
Example:
I decided to skip out on the meeting and go to a movie.
List of common idioms, their meanings and examples of their usage in sentences
An idiom is defined as - a group of words whose meaning is different from the meanings of the individual words.