Meaning of king In English

• 0 (the title of) a male ruler of a country, who holds this position because of his royal birth:

  • King Richard II

  • the kings and queens of England

• 1 the most important, best, or most respected member of a group of animals, things, or people:

  • The lion is often called the king of the jungle.

  • He's the new king of pop music.

• 2 In the game of chess, the king is the most important piece on the board. It can move one square in any direction.

  • the king of hearts

• 3 used as part of the name of something that is larger than the ordinary type:

  • king prawns

  • a king penguin

• 4 a man who rules a country because he has been born into a family which by tradition or law has the right to rule, or the title given to such a man:

  • King Philip IV of Spain

  • the king of hearts

  • He was baseball’s home run king.

• 5 a person, company, or organization that is thought to be the best or most successful:

  • It is widely considered to be king of the supermarket chains.

• 6 used to say that someone or something is the most important part of something or has the most influence:

  • In mergers and acquisitions, cash is king.

  • They all followed the principle that the customer is king.

  • Media executives are fond of saying that content is king.