• Trunnion

    Pronunciation

    • IPA: /ˈtɹʌn.jÉ™n/
    • Rhymes: -ÊŒnjÉ™n

    Alternative forms

    Origin

    From French trognon ("core, stump").

    Full definition of trunnion

    Noun

    trunnion

    (plural trunnions)
    1. One of the short stubby bearings on either side of a cannon; a gudgeon.
    2. A similar rotational bearing comprising a rotating arc or ring sliding in the groove of a stationary arc, used in machinery to allow a workpiece to be moved relative to a fixed tool.
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