What is the meaning of Umbrella?

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

Anything that provides similar protection.

Anything that provides similar overarching coverage of a range of concepts, purposes, groups, etc.

The main body of a jellyfish, excluding the tentacles.

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

To cover or protect, as if by an umbrella.

To form the dome shape of an open umbrella.

To move like a jellyfish.

umbrella

umbrella, parasol

Source: wiktionary.org