Definition of aegis noun from the Oxford Advanced American Dictionary

 

aegis

 noun
noun
NAmE//ˈidʒəs//
 
 
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Idioms
under the aegis of somebody/something(formal)
 
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with the protection or support of a particular organization or person Medical supplies are being sent under the aegis of the Red Cross.
See the Oxford Advanced Learner's Dictionary entry: aegis