» For the freshwater fish, see gudgeon (fish). A gudgeon's a circular fitting, often made of metal, which's affixed to a surface. It allows for the pivoting of another fixture. It's generally used with a pintle, which's a pin which pivots in the hole in the gudgeon. As such, a gudgeon's a simple bearing. Types of gudgeons Winged gudgeons A winged gudgeon's one that's extensions that increase its ability to adhere to the fixed surface. At the beginning of the industrial revolution, winged gudgeo… (More on Gudgeon)