pintle

pintle is a   Noun

Definition:

[1] A little pin.

[2] An upright pivot pin; as:

[3] The pivot pin of a hinge.

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

[5] A pivot about which the chassis swings, in some kinds of gun carriages.

[6] A kingbolt of a wagon.

Synonyms: