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Dictionary definition for: Hub

1. (n) the central part of a car wheel (or fan or propeller etc) through which the shaft or axle passes

2. (n) 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"

WordNet 2.1 Copyright Princeton University. All rights reserved.