aegis
n. uncountable C1 Advanced US //ˈidʒəs// UK //ˈiːdʒɪs// aegis
n. the protection, support, or control of a person or organization. You use this when someone is doing something under the guidance of a larger group.
n. the protection, backing, or support of a particular person or organization. Often used in the prepositional phrase 'under the aegis of'.
The project began under the aegis of the university.
Medical relief efforts in the region were coordinated under the aegis of the Red Cross to ensure safety.
While the negotiations were technically private, they took place under the aegis of the United Nations to provide a neutral ground for both parties.
Usage
Typically appears in the fixed phrase 'under the aegis of'.