millrace

[ mil-reys ]
/ ˈmɪlˌreɪs /

noun

the channel in which the current of water driving a mill wheel flows to the mill.
the current itself.

Origin of millrace

First recorded in 1470–80; mill1 + race1
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

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British Dictionary definitions for millrace

millrace

millrun

/ (ˈmɪlˌreɪs) /

noun

the current of water that turns a millwheel
the channel for this water
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