from The American Heritage® Dictionary of the English Language, 5th Edition.

  • noun A watercourse that feeds water into a mill, water wheel, or turbine.

from The Century Dictionary.

  • noun The race or flume which leads water to a water-wheel.
  • noun See the extract.

from the GNU version of the Collaborative International Dictionary of English.

  • noun See race, a water course.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • noun The part of a millrace that brings water to the millwheel

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • noun a waterway that feeds water to a mill or water wheel or turbine


Sorry, no etymologies found.


  • In the configuration finally adopted, water to be pumped is taken from the headrace canal with a separate sedimentation arrangement in the forebay so that there are still fewer suspended particles as compared to water supplied to the turbine.


  • During the early part of the flood the timber dam of the Ludlum Steel and Iron Company, which raised the water to a height of 27 feet, and afforded 7.04 horsepower per foot fall, was carried away with a part of the headrace.

    The Passaic Flood of 1903

  • Other improvements that will be started in the coming year include repairing and restoring the mill's headrace, which guides and controls water flow from the river to the mill, masonry repairs to the foundation walls, repainting the cupolas of the Slater and Wilkinson mills and replacing the Slater Mill's 1929 fire suppression system. Projo Local News


Log in or sign up to get involved in the conversation. It's quick and easy.

  • See the extract.

    So we are instructed in the definitions given.

    January 12, 2012

  • Thanks, hernesheir. I've added it to my see-extract list.

    March 1, 2012

  • The Word of the Day, if you will,

    Is only the grist for the mill

    The rhymes in their dread pace

    Cascade down the headrace

    So the rumble of verse is not still.

    February 25, 2017