Usually as under the aegis: guidance, protection; endorsement, sponsorship.
A mythological shield associated with the Greek deities Zeus and Athena (and their Roman counterparts Jupiter and Minerva) shown as a short cloak made of goatskin worn on the shoulders, more as an emblem of power and protection than a military shield. The aegis of Athena or Minerva is usually shown with a border of snakes and with the head of Medusa in the center.
Generally, anything that provides protection.
Something that covers a wide range of concepts, purposes, groups, etc.
The main body of a jellyfish, excluding the tentacles.
A cloth-covered frame used for protection against rain or sun.
An umbrella-shaped reflector with a white or silvery inner surface, used to diffuse a nearby light.
To move like a jellyfish.
To cover or protect, as if by an umbrella.
To form the dome shape of an open umbrella.