1. the central parts of wheels that connect to the axle
2. centers of activity, commerce, or transportation where many routes or connections meet
3. central devices that connect multiple computers or network components
Usage: computing

Examples

• The bicycle’s hubs needed new bearings after years of use.
• Chicago and Atlanta serve as major airline hubs for domestic flights.
• The port city became one of the busiest shipping hubs in the region.
• Silicon Valley remains one of the world’s most important technology hubs.
• The network administrator replaced the old hubs with modern switches.
• These transportation hubs connect rural areas to urban centers.
• The wheel hubs were damaged in the accident and required replacement.