Hello, you have come here looking for the meaning of the word cotter pin. In DICTIOUS you will not only get to know all the dictionary meanings for the word cotter pin, but we will also tell you about its etymology, its characteristics and you will know how to say cotter pin in singular and plural. Everything you need to know about the word cotter pin you have here. The definition of the word cotter pin will help you to be more precise and correct when speaking or writing your texts. Knowing the definition ofcotter pin, as well as those of other words, enriches your vocabulary and provides you with more and better linguistic resources.
A split pin (UK usage) / cotter pin (USA usage) holding a rod in place with a washer.A split pin (UK usage) / cotter pin (USA usage) installed within a castellated nut.
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