# cotter

> in mechanical engineering a pin or wedge passing through a hole to fix parts tightly together

**Wikidata**: [Q2737721](https://www.wikidata.org/wiki/Q2737721)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Cotter_(pin))  
**Source**: https://4ort.xyz/entity/cotter-q2737721