(pl. -ies)
Brit. a celebratory dinner or entertainment held by a college for old members
〈英〉(大学里为校友举行的)庆祝宴会, 娱乐活动。
词源
mid 16th cent. (in the sense 'rejoicing, a celebration'): from Latin gaudium 'joy', or from gaude 'rejoice!', imperative of gaudere.