| 单词 | topblock |
| 释义 | > as lemmastop-block top-block n. see quot. (see also Compounds 2b(b)).ⓘ ΘΚΠ society > travel > means of travel > a conveyance > vehicle > cart, carriage, or wagon > parts of cart or carriage > [noun] > cover or tilt > bow > part on which it rests when down top-block1877 1875 E. H. Knight Amer. Mech. Dict. III. 2597/1 Top-block,..a projecting piece on which the bows of a carriage rest when down. top-block top-block n. a large block suspended below the cap of the lower mast, used in hoisting or lowering topmasts (see also Compounds 2a).ⓘ ΘΚΠ society > travel > travel by water > vessel, ship, or boat > equipment of vessel > tackle or purchase > [noun] > system of) pulley(s) > for raising or lowering topmast top-block1769 1769 W. Falconer Universal Dict. Marine at Block The top-block is used to hoist up or lower down the top-masts, and is for the purpose hooked in an eye-bolt driven into the cap. < as lemmas |
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