Idioms
An idiom is defined as - a group of words in a fixed order that has a particular meaning that is different from the meanings of each word on its own.
Idiom:
watch out for (someone or something)
Meaning:
to watch over and care for someone, to watch for the arrival or approach of someone
Example:
Please watch out for my friend at the airport. I watched out for my friend's son while my friend was away.
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