Definition of aegis in English:

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Pronunciation: /ˈējis/


[in singular]
1The protection, backing, or support of a particular person or organization: negotiations were conducted under the aegis of the UN
More example sentences
  • As a quasi-governmental organization, it enjoys protection under the aegis of HM Government.
  • These facilities are hidden in various ways, frequently coming under the aegis of innocuous organizations.
  • That piece of evidence is the document produced under the aegis of the UN Security Council.
protection, backing, support, patronage, sponsorship, charge, care, guidance, control, guardianship, trusteeship, agency, safeguarding, shelter, umbrella, aid, assistance;
1.1(In classical art and mythology) an attribute of Zeus and Athena (or their Roman counterparts Jupiter and Minerva) usually represented as a goatskin shield.
Example sentences
  • Here the goddess wears her high-crested helmet, and a himation replaces her aegis over the peplos.
  • Athena wears her high-crested Attic helmet, a colorful and embroidered peplos, and her aegis.
  • That's why he let her use his insignia: the terrible shield, the aegis and his devastating weapon, the ray.


Early 17th century (denoting armor or a shield, especially that of a god): via Latin from Greek aigis 'shield of Zeus'.

  • An aegis was originally a piece of armour or a shield, especially that of a god. The word came into English via Latin from Greek aigis ‘shield of Zeus’. It is now often used in the phrase under the aegis of meaning ‘under the protection of’.

For editors and proofreaders

Syllabification: ae·gis

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