| 释义 |
ˈflash-board
[f. flash v.1 + board n.]
a. (See quot. 1768.)
b. A board set up on edge upon a mill-dam, when the water is low, to throw a larger quantity of water into the mill-race.
1768–74Tucker Lt. Nat. (1852) I. 32 The miller of an overshot mill..has shoots lying over every one of his wheels, stopped by flash-boards, at their upper ends. Ibid. Should an eel wriggle under any of the flash-boards, this might give the water a passage without any act of the miller. 1860Bartlett Dict. Amer., Flash Board. 1868Peard Water-Farm. xv. 158 When..the connecting canals have been cut, and the flash-boards erected.
fig.1822T. L. Peacock Maid Marian iv, He pulled up all the flash-boards at once and gave loose to the full torrent of his indignation. |