Cotter Pin (Noun)
Meaning
A cotter consisting of a split pin that is secured (after passing through a hole) by splitting the ends apart.
Classification
Nouns denoting man-made objects.
Examples
- The mechanic used a cotter pin to secure the nut in place on the axle.
- After tightening the bolt, be sure to install a new cotter pin to keep it from coming loose.
- The cotter pin was bent into place to prevent it from falling out of the hole.
- Prior to splitting the ends of the cotter pin, make sure it is seated properly in the hole.
- In most applications, a cotter pin is an acceptable substitute for a safety wire or clip.