What is queen definition?

Queen is a noun that refers to a female monarch who reigns over a kingdom, country, or territory. She is typically the highest ruler, holding absolute or limited power, and is usually the spouse or widow of a king. A queen can also refer to the highest-ranking female member of a royal family or a powerful or influential woman. In chess, the queen is the most powerful piece on the board, and in bee colonies, the queen bee is the sole reproductive female who is responsible for laying eggs.