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:
chip off the old block
Meaning:
a person who looks or acts like one of his parents
Example:
The boy is a chip off the old block and acts exactly like his father.
List of common idioms, their meanings and examples of their usage in sentences
An idiom is a group of words, or in other words, a phrase that has a meaning other than its literal meaning of the words in it.