Noun: kingpin 'king,pin
- The most important person in a group or undertaking
"The company kingpins gathered for an emergency meeting";
- top banana, bigwig [informal]
- The front bowling pin in the triangular arrangement of ten pins
"Her ball struck the kingpin dead centre, resulting in a perfect strike";
- headpin
- Bolt that provides a steering joint in a motor vehicle
"The mechanic replaced the worn kingpin to improve the truck's steering";
- kingbolt, swivel pin
Derived forms: kingpins
Type of: bolt, bowling pin, important person, influential person, personage, pin
Encyclopedia: Kingpin