noun
World Youth Day; WYD
A Catholic Church event for young people, held internationally. The abbreviation WYD is also used.
世界青年の日は、教皇が若者たちと集まる国際的な行事です。
World Youth Day is an international event where the Pope gathers with young people.
Calque from English 'World Youth Day', composed of 世界 (world), 青年 (youth), and 日 (day).