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hub

From Wiktionary

Pronunciation

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Noun

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Singular
hub

Plural
hubs

A bicycle wheel with a hub in the middle
A small networking hub
  1. (countable) A hub is the middle part of a wheel.
  2. (countable) A hub is a place where a large amount of traffic meets or passes through.
    London's Heathrow Airport is a big air traffic hub in Europe.
  3. (countable) (technology) A hub is a simple networking device that sends all of the data (packets) that it gets to all of the other devices that are connected to it.
    Mark bought a cheap hub to connect his home computers together.
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