COTTER PIN


Meaning of COTTER PIN in English

/ ˈkɒtə pɪn; NAmE ˈkɑːtər/ noun

( technical ) a metal pin that holds a part in place inside a machine

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WORD ORIGIN

mid 17th cent.: of unknown origin.

Oxford Advanced Learner's English Dictionary.      Оксфордский английский словарь для изучающик язык на продвинутом уровне.