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Officer on the personal staff of a general, admiral, or other high-ranking commander who acts as a confidential secretary. Today they are usually of junior rank, and their duties are largely social. The term also denotes a high-ranking military officer who acts as an aide to a chief of state.
This entry comes from Encyclopædia Britannica Concise. For the full entry on aide-de-camp, visit Britannica.com.
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