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.
Idiom:
buy out (someone or something) or buy (someone or something) out
Meaning:
to purchase a business or a company, to buy all of someone's shares in a company
Example:
The large company wants to buy out the small company. The company plans to buy out the president.
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.