HUB

Pronunciation (US):

(GB):

IPA (US):

 Dictionary entry overview: What does hub mean? 

• HUB (noun)
  The noun HUB has 2 senses:

1. the central part of a car wheel (or fan or propeller etc) through which the shaft or axle passes

2. a center of activity or interest or commerce or transportation; a focal point around which events revolve

  Familiarity information: HUB used as a noun is rare.

 Dictionary entry details 

• HUB (noun)

Sense 1

Meaning:

The central part of a car wheel (or fan or propeller etc) through which the shaft or axle passes

Classified under:

Nouns denoting man-made objects

Hypernyms ("hub" is a kind of...):

part; portion (something less than the whole of a human artifact)

Holonyms ("hub" is a part of...):

car wheel (a wheel that has a tire and rim and hubcap; used to propel the car)

blower; electric fan (a fan run by an electric motor)

propeller; propellor (a mechanical device that rotates to push against air or water)

Sense 2

Meaning:

A center of activity or interest or commerce or transportation; a focal point around which events revolve

Classified under:

Nouns denoting spatial position

Context example:

the airport is the economic hub of the area

Hypernyms ("hub" is a kind of...):

center; centre; eye; heart; middle (an area that is approximately central within some larger region)

Hyponyms (each of the following is a kind of "hub"):

civic center; down town; municipal center (the center of a city)

 Context examples 

The putamen is a key brain hub in addiction, sending dopamine signals elsewhere in the brain, and helping mediate how impulsively we behave.

(Young people at risk of addiction show differences in key brain region, University of Cambridge)

A configurable hub for exchanging clinical trial information between applications and systems across the caGRID.

(caXchange, NCI Thesaurus)

The old wheel-hub, fixed on the end of the upright pole, constituted the plunger.

(Martin Eden, by Jack London)

Your home will be a very busy place, so you may be hosting people over, for your home seems to be a hub of commotion.

(AstrologyZone.com, by Susan Miller)

Have you greased the hubs, as I told you?

(Rodney Stone, by Sir Arthur Conan Doyle)

The research is based on examination of the levels of dissolved black carbon (DBC) that persist in freshwater and saline lakes in the McMurdo Dry Valleys, a mountainous polar desert across McMurdo Sound from the NSF's logistics hub in Antarctica, McMurdo Station.

(Antarctic lakes are a repository for ancient soot, NSF)

"I maka da kids worka da pole an' da hub an' da barrel. Him da smarta man, Mister Eden."

(Martin Eden, by Jack London)

Your ninth house will brim with energy, and that house is associated with learning, philosophy, and the court system, which can be quite an intellectual hub and an area that has plenty of room for debate.

(AstrologyZone.com, by Susan Miller)

I had just made out that the gig contained a man and a woman, when suddenly I saw it swerve off the road, and come with a galloping horse and bounding wheels right across the moor, crashing through the gorse bushes, and sinking down to the hubs in the heather and bracken.

(Rodney Stone, by Sir Arthur Conan Doyle)

"He say, 'Maria, you are da greata fool. I showa you how to washa da wools,' an' he shows me, too. Ten minutes he maka da machine—one barrel, one wheel-hub, two poles, justa like dat."

(Martin Eden, by Jack London)