noun [C] 1. a device for protection against the rain which consists of a stick with a folding, material-covered frame
at one end and usually a handle at the other, or a similar, often larger, device used for protection against the sun
I felt a few spots of rain so I put my umbrella up.
You can take your umbrella down now - the rain's finished.
I left another umbrella on the bus yesterday.
I bought a folding umbrella to take with me.
If you've had enough of the sun come and lie under the umbrella for a while.
2. Umbrella also refers to something which includes or represents a range of similar things.
Donations should be sent to the Disaster Emergency Committee, an umbrella organization for UK
based aid agencies.
Existentialism was really an umbrella term to lump together the works of several philosophers and
writers.