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kingpin

American  
[king-pin] / ˈkɪŋˌpɪn /

noun

  1. Bowling.

    1. headpin.

    2. the pin at the center; the number five pin.

  2. Informal. the person of chief importance in a corporation, movement, undertaking, etc.

  3. Informal. the chief element of any system, plan, or the like.

  4. a kingbolt.

  5. either of the pins that are a part of the mechanism for turning the front wheels in some automotive steering systems.


kingpin British  
/ ˈkɪŋˌpɪn /

noun

  1. the most important person in an organization

  2. the crucial or most important feature of a theory, argument, etc

  3. Also called (Brit): swivel pin.  a pivot pin that provides a steering joint in a motor vehicle by securing the stub axle to the axle beam

  4. tenpin bowling the front pin in the triangular arrangement of the ten pins

  5. (in ninepins) the central pin in the diamond pattern of the nine pins

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of kingpin

First recorded in 1795–1805; king + pin

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Mexican officials say that the Sheinbaum administration is now at a point of no return as it deals with the aftermath of the kingpin’s death.

From The Wall Street Journal

Baghdad had already said it was cutting output because of the crisis, with Kuwait and kingpin Saudi Arabia following suit.

From Barron's

“Less than 300 days ago, these cartel kingpins were free and unafraid,” Gordon said.

From Los Angeles Times

"We did not know that he was the kingpin," Hun Manet told AFP in Brussels, where he stopped as part of an international trip to shore up diplomatic support over a border conflict with Thailand.

From Barron's

The Mexican authorities and the US reported that US intelligence was involved in bringing down the kingpin, lending the operation a sense of cross-border cooperation which could benefit both governments.

From BBC