| 单词 | waste-weir |
| 释义 | > as lemmaswaste-weir waste-weir n. (see quots.). ΘΚΠ the world > the earth > water > body of water > channel of water > [noun] > navigable waterway > canal > other structures in canals overfall1764 aqueduct1791 tail-cut1791 waste-weir1793 boatlift1839 berm-bank1854 tail-bay1856 1793 R. Mylne Rep. Surv. Thames improving Navigation 23 There was Seven Inches of Water running over at the Waste Weir at Boulter's Old Lock. 1840 H. S. Tanner Canals & Rail Roads U.S. 264 Waste weir, a water guage; a cut at the side of a canal by which the surplus water of canals is carried off. 1868 Chambers's Encycl. X. 516/2 There is also the waste-weir, for the purpose of preventing a reservoir embankment being overtopped by floods. < as lemmas |
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