less common spelling of aegis
1
: a shield or breastplate emblematic of majesty that was associated with Zeus and Athena
2a
: protection
under the aegis of the Constitution
b
: controlling or conditioning (see condition entry 2 sense 5a) influence
passed new laws under the aegis of national security
3a
: auspices, sponsorship
under the aegis of the museum
b
: control or guidance especially by an individual, group, or system
under the aegis of the government
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Merriam-Webster unabridged
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