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:
plug up (something) or plug (something) up
Meaning:
to stop or fill up a hole or crack or gap
Example:
We used some special cement to plug up the leak in the bathtub.
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