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.
Generally, anything that provides protection.
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.
That covers all of the floor of a room.
Full, crowded.
Pervasive, ubiquitous, or unremitting.