1. plural of gudgeon; small freshwater fish of the carp family, often used as bait
Usage: common in British English; often used in fishing contexts
2. plural of gudgeon; a pivot or pin on which something turns or rotates, especially in machinery
Usage: technical; mechanical engineering term
3. plural of gudgeon; a person who is easily deceived or cheated
Usage: informal; dated

Examples

• The angler used gudgeons as live bait to catch larger fish.
• The fisherman's net was full of small gudgeons.
• The machine's gudgeons were worn and needed replacement.
• He was considered a gudgeon for falling for such an obvious trick.
• The door hinges rotated smoothly on their gudgeons.