hub

noun

ˈhəb 

1

: the central part of a circular object (such as a wheel or propeller)

spokes attached to the hub of the wheel

2

a

: a center of activity : focal point

The island is a major tourist hub.

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 network (see network entry 1 sense 3b)

3

: a steel punch from which a working die (see die entry 2 sense 3a) for a coin or medal is made

Synonyms

• axis
• base
• capital
• center
• central
• core
• cynosure
• epicenter
• eye
• focus
• ground zero
• heart
• locus
• mecca
• navel
• nerve center
• nexus
• nucleus
• omphalos
• seat

Examples of hub in a Sentence

the hub of the city

She was at the hub of all the activity.

All of the airline's coast-to-coast flights pass through its hub.

The spokes attach to the hub of the wheel.

Recent Examples on the Web

These firms play an important role in the semiconductor supply chain. Japan and the Netherlands, another hub for chipmaking tools, have both imposed export controls on China. —Orianna Rosa Royle, Fortune Asia, 5 Sep. 2024

This stage will serve as a central hub for groundbreaking discussions, insights, and innovations that are set to redefine the digital landscape. —Forbes Digital Assets, Forbes, 4 Sep. 2024

The carrier operates routes between several U.S. cities and its major hub in Lisbon, providing onward connections to dozens of destinations in Europe, Africa, and beyond. —Stella Shon, Travel + Leisure, 4 Sep. 2024

Par 3, an indoor mini golf course, opened on the promenade level of the family-friendly entertainment hub on Aug. 24, according to an Instagram post from the business. —Haadiza Ogwude, The Enquirer, 3 Sep. 2024

Word History

Etymology

probably alteration of hob entry 2

First Known Use

1649, in the meaning defined at sense 1

Phrases Containing hub

• hub-and-spoke

Kids Definition

hub

noun

ˈhəb 

1

: the central part of a circular object (as a wheel)

2

: a center of activity

Medical Definition

hub

noun

ˈhəb 

: the enlarged base by which a hollow needle may be attached to a device (as a syringe)