Idioms
An idiom is a type of phrase or expression that has a meaning that can't be deciphered by defining the individual words.
Idiom:
just what the doctor ordered
Meaning:
exactly what is needed or wanted
Example:
Having the extra day off from work is just what the doctor ordered and I can get many things done.
List of common idioms, their meanings and examples of their usage in sentences
Idioms are phrases which cannot be understood simply by looking at the meaning of the individual words in the phrase.