kingpin
noun
1 kingpin
The most important person in a group or undertaking.
synonyms: bigwig, top banana.
Dutch: hoge ome, bondsbons
2 kingpin
Bolt that provides a steering joint in a motor vehicle.
synonyms: kingbolt, swivel pin.
3 kingpin
The front bowling pin in the triangular arrangement of ten pins.
synonym: headpin.
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