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English definition of “umbrella”

umbrella

noun [C] uk   /ʌmˈbrel.ə/ us  

umbrella noun [C] (DEVICE)

A2 a device for protection against the rain, consisting of a stick with a folding frame covered in material 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. I left another umbrella on the bus yesterday. a folding umbrella

umbrella noun [C] (GROUP)

something that includes or represents a group or range of similar things: There are 980 community agencies under the umbrella of the National Community Action Foundation. 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.
(Definition of umbrella from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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