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:
throw (someone) off (someone's) trail
Meaning:
to cause someone to lose the trail (when following someone or something)
Example:
The criminals were able to throw the police off their trail and they escaped easily.
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 different from the literal meaning of the words in it.