[ hed-reys ]
/ ˈhɛdˌreɪs /
the race, flume, or channel leading to a water wheel or the like.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
British Dictionary definitions for headrace
/ (ˈhɛdˌreɪs) /
a channel that carries water to a water wheel, turbine, etcCompare tailrace
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012