| 单词 | cutting-down line |
| 释义 | > as lemmascutting-down line b. cutting down. spec. cutting-down line (Shipbuilding): a curved line forming the upper side of the floor-timbers at the middle-line, continued to the stem and stern over the dead-woods, and representing the curve on which the keelson lies; cutting-down, the curve or surface which this line represents. ΚΠ 1469 in S. Tymms Wills & Inventories Bury St. Edmunds (1850) 46 Wythout any dystruccyon or kyttynge down of treis. 1769 W. Falconer Universal Dict. Marine Cutting-down line, a curved line used by shipwrights in the delineation of ships. 1850 J. Greenwood Sailor's Sea-bk. 113 The cutting-down line is intended to represent, on the Sheer Draught, the limit of the depth of every floor-timber at the middle-line, and also the height of the upper part of the dead-wood afore and abaft. 1850 J. Greenwood Sailor's Sea-bk. 124 They are bolted..to the cutting-down of the knee. 1850 J. Greenwood Sailor's Sea-bk. 142 They must be deeper in the throat or at the cutting-down. < as lemmas |
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