aegis

In ancient Greece, the leather cloak or breastplate associated with Zeus. It was worn most prominently by Zeus's daughter Athena (whose aegis bore the head of Medusa) but occasionally also by other gods (e.g., Apollo in the Iliad).

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• An alternate spelling for aegis.
• An acronym for Erieye Ground Interface Segment, military software package which is part of the Erieye radar and is sometimes confused with the Aegis combat system.
• Egis Rt. (Egis Ltd), a Hungarian pharmaceutical company, based in Kőbánya, Hungary.
• Egis Projects, a French company that manages transport infrastructure projects.
• Egis explosives detector, a gas chromatography-mass spectrometry-based explosives detector, manufactured by Thermo Detection (formerly Thermedics)
• An acronym for Enterprise Geographic Information System, an integrated, multidepartmental GIS composed of interoperable components.