e/Commemoration ball

Information
has gloss	eng: A Commemoration ball is a formal ball held by one of the colleges of the University of Oxford in the 9th week of Trinity Term, the week after the end of the last Full Term of the academic year, which known as "Commemoration Week". Commemoration balls are held by different colleges each year, following a cycle by which each college holds a ball every three years.
lexicalization	eng: Commemoration ball
instance of	e/Balls (dance)