ˌgolden anniˈversary noun (plural golden anniversaries) [countableC] especially American EnglishAmECELEBRATE the date that is exactly 50 years after the beginning of something, especially a wedding 50周年纪念，〔尤指〕金婚纪念〔结婚50周年纪念〕 SYN British English golden wedding, golden jubilee → diamond anniversary, silver anniversary