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:
pick over (something) or pick (something) over
Meaning:
to sort through something
Example:
The customers picked over the best clothes at the department store sale.
List of common idioms, their meanings and examples of their usage in sentences
Idioms can be a powerful linguistic tool only when they are used in the right way in the right places.