kingpin.
The axis around which steered wheels pivot; a bolt that holds the axis in place.
Meaning & usage
The axis around which steered wheels pivot; a bolt that holds the axis in place.
The pivot or connector between a tractor and trailer in the fifth-wheel coupling of semi-trailer truck.
The most important person in a usually evil undertaking or organization, often a druglord.
The pin at the centre of the triangle of bowling pins (originally the tallest pin in kayles). Sometimes also the headpin at the apex.
The bolt holding together the truck of a roller skate or skateboard.
Where this word comes from
From king + pin.
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Definitions, grammatical labels, IPA, etymology and examples: Wiktionary contributors, extracted by Kaikki / Wiktextract. Adapted under CC BY-SA 4.0. Selected fields and authored examples are shown; third-party quotations and audio are omitted. See contributor history.
Last enriched 2026-09-10. Definitions are in English. Romanizations are shown when supplied by the source; syllable estimates are omitted for unsupported scripts.