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Noun: umbrella  ,úm'bre-lu
  1. A lightweight handheld collapsible canopy used to keep off rain
     
  2. (military) a formation of military planes maintained over ground operations or targets
    "an air umbrella over England"
     
  3. 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"
     
  4. The main body of a jellyfish, excluding the tentacles
Adjective: umbrella  ,úm'bre-lu
  1. Covering or applying simultaneously to a number of similar items or elements or groups
    "an umbrella organization"; "umbrella insurance coverage"

Derived forms: umbrellas

See also: comprehensive

Type of: canopy, conjugation, defence [Brit, Cdn], defense [US], defensive measure, jointure, unification, union, uniting

Encyclopedia: Umbrella