The American Heritage® Dictionary of the English Language, Fifth Edition copyright ©2022 by HarperCollins Publishers. All rights reserved.
| n. 1.  The center part of a wheel, fan, or propeller. 2.  A center of activity or interest; a focal point: Hollywood is the hub of the US movie industry. [Probably alteration of HOB1.] | 
The American Heritage® Dictionary of the English Language, Fifth Edition copyright ©2022 by HarperCollins Publishers. All rights reserved.











