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May Ball
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English
+ in Cambridge
thumb|A May Ball at Queens' College in 2013
Etymology
So named because they take place in May Week, originally in May but now in early June.
Noun
May Ball
en Cambridge University An elaborate formal event held on the grounds of a college at the end of the academic year, attended by students and often involving food, alcohol, live music, fireworks, illuminations and attractions such as amusement rides.