Marquis of Queensberry rules
/ˌmɑːkwɪs əv ˌkwiːnzb(ə)rɪ ˈruːlz/(also Marquess of Queensberry rules, Marquess of Queensbury rules, Marquis of Queensbury rules) Boxing
noun
= Queensberry rules. Also absol. as Marquis of Queensberry, and in extended use.
Origin
Late 19th century; earliest use found in Bell's Life in London and Sporting Chronicle. From the title of Sir John Sholto Douglas, eighth Marquess of Queensberry, who supervised the preparation of the rules + the plural of rule.