ˈhead-race
The race or flume which brings water to a mill-wheel. Cf. tail-race.
| 1846 Kane tr. Rühlman's Turbines 12 Head race and tail race. 1873 Act 36 & 37 Vict. c. 71 §17 No person shall catch..any salmon..in the head race or tail race of any mill. |