hub

A central place where many transport routes meet and people or goods move between them.

• This airport is a major hub.
• The station became a busy transport hub.
• Passengers change planes at several regional hubs.

How to use it: a hub for something (The city is a hub for international flights.)

Similar words: transport center, junction

Common phrases: transport hub, major hub, hub for flights, traffic hub

The central part of a wheel, where it joins the bar that supports it.

• The wheel has a metal hub.
• He replaced the bicycle’s rear hub.
• The spokes connect the rim to the hub.

Common phrases: wheel hub, rear hub, hub bearing

A device connecting computers that sends incoming data to all its connected devices.

• Connect the computers to the hub.
• This hub sends each packet to every connected device.
• They replaced the old hubs with switches.

Similar words: network hub

Common phrases: network hub, ethernet hub, connect a hub

A rough raised part that sticks out and gets in the way.

• The cart struck a hub in the road.
• A rough hub caught the wheel.
• Workers cleared the hubs from the track.

Similar words: bump, projection, obstruction

Common phrases: a rough hub, hub in something