gudgeon2

 
Pronunciation: /ˈgʌdʒ(ə)n/

noun

  • a pivot or spindle on which a bell or other object swings or rotates.
  • the tubular part of a hinge into which the pin fits to unite the joint.
  • a socket at the stern of a boat, into which a rudder is fitted.
  • a pin holding two blocks of stone together.

Origin:

Middle English: from Old French goujon, diminutive of gouge (see gouge)