• Cotter

    Pronunciation

    • Rhymes: -ɒtə(r)

    Origin 1

    Full definition of cotter

    Noun

    cotter

    (plural cotters)
    1. (mechanical engineering) A pin or wedge inserted through a slot to hold machine parts together.
    2. (informal) a cotter pin.

    Usage notes

    The terms cotter and "cotter pin" are sometimes used interchangeably, although they have different functions. Basically a cotter holds parts together and a "cotter pin" holds the cotter in its place. For a more detailed explanation see Wikipedia articles on cotter and cotter pin.

    Related terms

    Verb

    1. (transitive) To fasten with a cotter.

    Origin 2

    Alternative forms

    Noun

    cotter

    (plural cotters)
    1. A peasant who performed labour in exchange for the right to live in a cottage.
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