Umbrella - Definition
umbrella
adj 1: covering or applying simultaneously to a number of
similar items or elements or groups; "an umbrella
organization"; "umbrella insurance coverage"
n 1: a lightweight handheld collapsible canopy
2: 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"