Quantcast
Merriam-Webster Logo
  • Dictionary
  • Thesaurus
  • Scrabble
  • Spanish Central
  • Learner's Dictionary

hub

play
noun \ˈhəb\

Simple Definition of hub

  • : the central and most active part or place

  • : the airport or the city through which an airline sends most of its flights

  • : the center of a wheel, propeller, fan, etc.

Source: Merriam-Webster's Learner's Dictionary

Full Definition of hub

  1. 1 :  the central part of a circular object (as a wheel or propeller)

  2. 2 a :  a center of activity :  focal point 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

  3. 3 :  a steel punch from which a working die for a coin or medal is made

Examples of hub in a sentence

  1. the hub of the city

  2. She was at the hub of all the activity.

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

  4. The spokes attach to the hub of the wheel.



Origin and Etymology of hub

probably alteration of 2hob


First Known Use: 1649


HUB Defined for Kids

hub

play
noun \ˈhəb\

Definition of hub for Students

  1. 1 :  the center of a wheel, propeller, or fan

  2. 2 :  a center of activity <The port is the island's hub.>




Medical Dictionary

hub

play
noun \ˈhəb\

Medical Definition of hub

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





Seen and Heard

What made you want to look up hub? Please tell us where you read or heard it (including the quote, if possible).

WORD OF THE DAY

looking or feeling very sad

Get Word of the Day daily email!

WORD GAMES

Take a 3-minute break and test your skills!

dog-eating-apple

Which is a synonym of asperse?

defame beat divulge placate
Name That Thing

Test your visual vocabulary with our 10-question challenge!

TAKE THE QUIZ
SCRABBLE® Sprint

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ