kingpin

  1. Noun.  (context, motorized vehicles) The axis around which steered wheels pivot; a bolt that holds the axis in placeā€”a kingbolt.
  2. Noun.  (context, ten pin bowling) The pin at the centre of the triangle of bowling pins (originally the tallest pin in kayles). Sometimes also the headpin at the apex.
  3. Noun.  The most important person in an undertaking or organization.

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This entry was last updated on RefTopia from its source on 3/20/2012.