Idioms
An idiom is a group of words, or in other words, a phrase that has a meaning different from the literal meaning of the words in it.
Idiom:
keep one's fingers crossed
Meaning:
to wish for good results in something that one is doing
Example:
"Please keep your fingers crossed that I will pass my exam."
List of common idioms, their meanings and examples of their usage in sentences
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.