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Definitions of hub
  1. noun
    a center of activity or interest or commerce or transportation; a focal point around which events revolve
    "the playground is the hub of parental supervision" "the airport is the economic hub of the area"
  2. noun
    the central part of a car wheel (or fan or propeller etc) through which the shaft or axle passes
Examples of hub
  • "the playground is the hub of parental supervision"
  • "the airport is the economic hub of the area"
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