reveille
noun /rɪˈvæli/
/ˈrevəli/
[uncountable]- a tune that is played to wake soldiers in the morning; the time when it is played
（军队的）起床号，起床时间 - Reveille sounded at first light.
起床号在黎明时响起。
词源mid 17th cent.: from French réveillez! ‘wake up!’, imperative plural of réveiller, based on Latin vigilare ‘keep watch’. - Reveille sounded at first light.