A cloth-covered frame used for protection against rain or sun.

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.

(photography, television) An umbrella-shaped reflector with a white or silvery inner surface, used to diffuse a nearby light.

(transitive) To cover or protect, as if by an umbrella.

(intransitive) To form the dome shape of an open umbrella.

(intransitive) To move like a jellyfish.