having the function of uniting a group of similar things; "the Democratic Party is an umbrella for many liberal groups"; "under the umbrella of capitalism"
a formation of military planes maintained over ground operations or targets; "an air umbrella over England"
a lightweight handheld collapsible canopy
covering or applying simultaneously to a number of similar items or elements or groups; "an umbrella organization"; "umbrella insurance coverage"
the extended spatial location of something; "the farming regions of France"; "religions in all parts of the world"; "regions of outer space"
a large indefinite location on the surface of the Earth; "penguins inhabit the polar regions"
the approximate amount of something (usually used prepositionally as in `in the region of'); "it was going to take in the region of two or three months to finish the job"; "the price is in the neighborhood of $100"
a society in an advanced state of social development (e.g., with complex legal and political and religious organizations); "the people slowly progressed from barbarism to civilization"
the social process whereby societies achieve civilization