head gate 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.
a gate that controls the flow of water into a canal lock, sluice, etc.
head gate definition by American Heritage Dictionary
- A control gate upstream of a lock or canal.
- A floodgate that controls the flow of water in a ditch, sluice, race, or channel.