pintle

A pin or a bolt on which another part pivots.

The pin on which a rudder turns.

The pin on which a gun carriage revolves.

A hook or a bolt on the rear of a towing vehicle for attaching a gun or trailer.

A pin upon which anything revolves, or which holds two things together while one or both are free to move in a certain way.

The penis.

A little pin.

An upright pivot pin.

The pivot pin of a hinge.

A hook or pin on which a rudder hangs and turns.