Dictionary  um•brel•laPronunciation: (um-brel'u), [key] —n. 1. a light, small, portable, usually circular cover for protection from rain or sun, consisting of a fabric held on a collapsible frame of thin ribs radiating from the top of a carrying stick or handle. 2. the saucer- or bowl-shaped, gelatinous body of a jellyfish; bell. 3. something that covers or protects from above, as military aircraft safeguarding surface forces: an air umbrella. 4. any general kind of protection: a price umbrella. 5. something, as an organization or policy, that covers or encompasses a number of groups or elements. —adj. 1. shaped like or intended to perform the function of an umbrella. 2. having the quality or function of covering or applying simultaneously to a number of similar items, elements, or groups: an umbrella organization; umbrella coverage in an insurance policy. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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