cotter pin

Definition of Cotter Pin in English :

1. cotter pin

a cotter consisting of a split pin that is secured (after passing through a hole) by splitting the ends apart

WordNet Lexical Database for English. Princeton University. 2010.

Cotter Pin

noun machinery

1.

a split pin secured, after passing through holes in the parts to be attached, by spreading the ends

2.

a tapered pin threaded at the smaller end and secured by a nut after insertion

a split pin used as a cotter, fastened in place by spreading apart its ends after it is inserted

n.

A split cotter inserted through a hole or holes and bent at the ends to fasten two or more parts together.