单词 | flash-board |
释义 | flash-boardn. (a) (See quot. 17681.) (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. ΘΚΠ the world > the earth > water > rivers and streams > stream > [noun] > mill-race > board to divert water to flash-board1768 1768 A. Tucker Light of Nature Pursued I. i. 61 The miller of an overshot mill..has shoots lying over every one of his wheels stopped by flash-boards at their upper ends. 1768 A. Tucker Light of Nature Pursued I. i. 62 Should an eel wriggle under any of the flash boards this might give the water a passage without any act of the miller. 1860 J. R. Bartlett Dict. Americanisms (ed. 3) Flash Board. 1868 W. Peard Pract. Water-farming xv. 158 When..the connecting canals have been cut, and the flash-boards erected. This entry has not yet been fully updated (first published 1896; most recently modified version published online March 2022). < n.1768 |
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