n the central part of a car wheel (or fan or propeller etc) through which the shaft or axle passes
n a center of activity or interest or commerce or transportation; a focal point around which events revolve
the playground is the hub of parental supervision the airport is the economic hub of the area
A severe thunderstorm hits a hub airport like Dallas-Fort Worth, grounding all of the planes there for two hours.
A humming social network, community sing-along, instant-messaging hub, mobile-launched pub-crawls and numbers-crunching by committee.
But today, thanks largely to abundant government funding, the city-state has become a regional hub for bioscience research, with a speciality in stem cells.
Sports Hub’s 2013 Boston Bruins Playoff Montages A collection of all the great Boston Bruins montages 98.5 The Sports Hub has put together during the 2013 playoff run!
June 11, 2013 - CBS Boston
Hizbullah leads assault, captures key rebel hub at Qusair, Syria NICOSIA — Hizbullah led a special forces operation that captured a Sunni rebel hub after 17 days of heavy fighting. Hizbullah sources said about 1,200 special forces troops led the attack on the rebel-held town of Qusair in May and early June of 2013. They said the battle marked the most intense campaign of the Iranian-sponsored proxy in the more than two-year civil war in Syria.
June 11, 2013 - World Tribune
Ayub Khan in Common Dreams (press release) The locality has been a hub of militants. Locals set up a militia and expelled the militants from this area. This attack seems to be a reaction to their expulsion,Ayub Khan, the local police chief, told reporters.
Chris Bowen in BusinessWeek If Australia seriously wants to be considered as a financial center, if we seriously want to be regarded as a global financial services hub, then the days of having a monopoly in our capital and financial markets need to come to an end,Bowen...
Kevin Rudd in The Canberra Times The Government recognises the enormous export potential of the financial services industry, and is committed to developing policies to establish Australia as a regional financial services hub,Mr Rudd said.