cotter pin
English
![](http://upload.wikimedia.org/wikipedia/commons/thumb/c/cb/Cotter_Pin_%28PSF%29.png/220px-Cotter_Pin_%28PSF%29.png)
Noun
cotter pin (plural cotter pins)
- (US) A split pin, the ends of which project through an object being fastened and are bent back to hold it in place.
- (UK) A pin or wedge inserted through a slot to hold machine parts together; a cotter.
Translations
type of pin — see split pin
pin or wedge inserted through a slot — see cotter