King (noun)

1. A male ruler of a country, who holds the position either by birth, by election, or by conquest.
2. A male monarch of a kingdom.

Origin:

Old english cyng, of germanic origin; related to dutch koning and german könig.

Examples:

1. The king will be giving a speech today.
2. The king of the country is the head of state.
3. King Henry VIII was the king of England from 1509 to 1547.
4. The king of the jungle is the lion.
5. He is the king of the chessboard.