/ ˌkwiːnzbəri ˈruːlz; NAmE -beri/ noun [ pl. ]
1.
the standard rules of boxing
2.
the rules of polite and acceptable behaviour
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WORD ORIGIN
late 19th cent.: named after John Sholto Douglas (1844–1900), 9th Marquess of Queensberry , who supervised the preparation of the rules.