Definition of reveille noun from the Oxford Advanced Learner's Dictionary

 

reveille

 noun
noun
BrE BrE//rɪˈvæli//
 
; NAmE NAmE//ˈrevəli//
 
[uncountable]
 
jump to other results
a tune that is played to wake soldiers in the morning; the time when it is played Reveille sounded at first light. Word Origin mid 17th cent.: from French réveillez! ‘wake up!’, imperative plural of réveiller, based on Latin vigilare ‘keep watch’.
See the Oxford Advanced American Dictionary entry: reveille