Definition of "reveille" [re•veil•le]

• The sounding of a bugle early in the morning to awaken and summon people in a camp or garrison. (noun)
• This bugle call or its equivalent. (noun)
• The first military formation of the day. (noun)
• A signal to get up out of bed. (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "The guns and ammunition had long ago passed into the hands of the Japs, and when at last the reveille from a Japanese bugle woke up the garrison completely, there was nothing to be done but to grind their teeth with rage and submit to the inevitable."
• "Each cadet in the entire corps rose at the tap of a drum -- "reveille" -- at 5.45 A.M. At the first sound of reveille every young man sprang from his bed."
• "Bugles called reveille, and the piquets who had guarded the sleeping army around Aragaum cleared their muskets by loosing off shots."