Synonyms of hub

Noun

1. hub, part, portion

usage: the central part of a car wheel (or fan or propeller etc) through which the shaft or axle passes

2. hub, center, centre, middle, heart, eye

usage: 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"

Definition and meaning of hub (Dictionary)