Definition of king noun from the Oxford Advanced American Dictionary

      

    king

     noun
    noun
    NAmE//kɪŋ//
     
     
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  1. 1the male ruler of an independent state that has a royal family the kings and queens of England to be crowned king King George V
  2. 2king (of something) a person, an animal, or a thing that is thought to be the best or most important of a particular type the king of comedy The lion is the king of the jungle.
  3. 3 used in new words formed from two or more words, with the names of animals or plants to describe a very large type of the thing mentioned a king penguin
  4. 4the most important piece used in the game of chess, that can move one square in any direction
  5. 5a playing card with the picture of a king on it
  6. Idioms
    a king's ransom(literary)
     
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    a very large amount of money
    the uncrowned king/queen (of something)
     
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    the person considered to be the best, most famous, or most successful in a particular place or area of activity
See the Oxford Advanced Learner's Dictionary entry: king