kingpin

Noun

 * 1)  The axis around which steered wheels pivot; a bolt that holds the axis in place—a kingbolt.
 * 2)  The pivot or connector between a tractor and trailer in the fifth-wheel coupling of semi-trailer truck.
 * 3)  The pin at the centre of the triangle of bowling pins (originally the tallest pin in kayles). Sometimes also the headpin at the apex.
 * 4) The most important person in an undertaking or organization.
 * 5) The bolt holding together the truck of a roller skate or skateboard.
 * 1) The bolt holding together the truck of a roller skate or skateboard.

Derived terms

 * kingpin to rear axle

Translations

 * Bulgarian:
 * Danish: kongetap
 * Finnish: olkatappi
 * German: Königszapfen, Königsbolzen
 * Russian:, ,
 * Serbo-Croatian:


 * Finnish: napamies
 * German:, wichtigster Mann, , entscheidende Figur, , , , Nummer eins
 * Hungarian:, ,
 * Indonesian:
 * Portuguese:
 * Russian: центра́льная фигу́ра, ва́жное лицо́
 * Spanish: jefazo, mandamás
 * Swedish:

Etymology
Borrowed from.

Noun

 * 1)  axis where which steered wheels pivot; bolt that holds the pivot in place
 * 2) most important person in an undertaking or organization
 * 1) most important person in an undertaking or organization

Etymology
.

Noun

 * 1)  axis where which steered wheels pivot; bolt that holds the pivot in place
 * 2) most important person in an undertaking or organization
 * 1) most important person in an undertaking or organization