milldam 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 dam built across a stream to raise its level enough to provide water power for turning a mill wheel
milldam definition by American Heritage Dictionary
A dam constructed across a stream to raise the water level so that the overflow will have sufficient power to turn a mill wheel.