Humber definition by Webster's New World
Webster's New World College Dictionary Copyright © 2010 by Wiley Publishing, Inc., Cleveland, Ohio. Used by arrangement with John Wiley & Sons, Inc.
estuary in NE England, formed by the Ouse & Trent rivers: c. 40 mi (64 km) long
Humber definition by American Heritage Dictionary
An estuary of the Trent and Ouse rivers in northeast-central England. It is navigable for large vessels as far inland as Hull.