Headpin vs. Kingpin — What's the Difference?

The foremost pin in an arrangement of bowling pins. Also called kingpin.

The innermost or central pin in an arrangement of bowling pins.

The kingpin.

See headpin.

A straight metal wire with a flat end, used for beads in jewelry making.

The most important person or element in an enterprise or system.

The front pin in the triangular arrangement of ten pins.

See kingbolt.

The front bowling pin in the triangular arrangement of ten pins

(transportation) The axis around which steered wheels pivot; a bolt that holds the axis in place—a kingbolt.

(transportation) The pivot or connector between a tractor and trailer in the fifth-wheel coupling of semi-trailer truck.

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 most important person in an undertaking or organization.

The bolt holding together the truck of a roller skate or skateboard.

The most important person in a group or undertaking

Bolt that provides a steering joint in a motor vehicle

The front bowling pin in the triangular arrangement of ten pins