An idiom is a widely used saying or expression containing a figurative meaning that differs from the phrase's literal meaning.
Idiom:
run around like a chicken with its head cut off
Meaning:
to be in a state of chaos, to run around with what seems to be no purpose
Example:
I spent the morning running around like a chicken with its head cut off when I heard that my mother was in the hospital.
List of common idioms, their meanings and examples of their usage in sentences
An expression in the usage of a language that is peculiar to itself either in having a meaning that cannot be derived from the conjoined meanings of its elements or in its grammatically atypical use of words.