What is the meaning of word appellation?

"Appellation" is a formal or official name or title. It's often used in situations where a specific name is important for identification or classification.

Here are some examples:

* "The appellation 'Doctor' is reserved for those who have earned a medical degree."

* "The wine region of Bordeaux is famous for its appellation contrôlée system, which guarantees the quality of the wine."

* "The company's official appellation changed after the merger."

Essentially, "appellation" refers to the name that something is formally known by.