Main Entry:

hub

Pronunciation:

\ˈhəb\

Function:

noun

Etymology:

probably alteration of ²hob

Date:

1649

1: the central part of a circular object (as a wheel or propeller)2 a: a center of activity : focal point b: an airport or city through which an airline routes most of its traffic c: a central device that connects multiple computers on a single network3: a steel punch from which a working die for a coin or medal is made