noun
Freq #55863
Meanings
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1
noun
a military officer serving as a confidential assistant to a senior officer or head of state
The general sent her aide-de-camp ahead with revised orders.
Thesaurus
Etymology
Borrowed unchanged from French aide-de-camp, literally "camp assistant," from aide ("helper") + de ("of") + camp ("military camp"). English preserves the French internal plural pattern in aides-de-camp.