| 单词 | trip-sill |
| 释义 | > as lemmastrip-sill trip-sill n. see quot. ΘΚΠ the world > the earth > water > lake > pool > [noun] > artificially confined water > contrivance for impounding water > gate, lock, or sluice > other parts of apron1721 pointing door1744 penstock1763 lock seat1787 rymer1794 trip-sill1905 1905 U.S. Dept. Agric., Logging terms Tripsill, a timber placed across the bottom of the sluiceway in a splash dam, against which rest the planks by which the dam is closed. < as lemmas |
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