umbrella : | |||||||||||||
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" comprehensive |
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