Idioms
An idiom is defined as - a group of words whose meaning is different from the meanings of the individual words.
Idiom:
sew (something) up or sew up (something)
Meaning:
to complete or secure something
Example:
The candidate for the nomination sewed up his victory last week.
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 other than its literal meaning of the words in it.