Pronunciation

/ˈkɒtər pɪn/ 🔊

Part of Speech

Noun

Definition

A pin made of metal, typically cylindrical, with a split down one side that can be spread apart to secure it in position.

Examples

1. “The cotter pin is commonly used to secure bolts and other fasteners in place.”

2. “Make sure to insert the cotter pin through the hole and bend it back to prevent loosening.”

Additional Information

Cotter pins are widely used in various mechanical applications, especially in automotive and engineering industries, to prevent nuts and bolts from loosening.