1. (noun)
kingpin, top banana, bigwig
- the most important person in a group or undertaking Synonyms: kingpin, kingbolt, headpin, swivel pin, bigwig, top banana
2. (noun)
kingbolt, kingpin, swivel pin
- bolt that provides a steering joint in a motor vehicle Synonyms: kingpin, kingbolt, headpin, swivel pin, bigwig, top banana
3. (noun)
headpin, kingpin
- the front bowling pin in the triangular arrangement of ten pins Synonyms: kingpin, kingbolt, headpin, swivel pin, bigwig, top banana