单词 | tail-block |
释义 | > as lemmastail-block tail-block n. (a) Nautical: see quot. 1769; (b) in a sawmill carriage, a support of the log at the end where the cut ends; (c) in a lathe = tail-stock n. ΘΚΠ society > travel > travel by water > vessel, ship, or boat > equipment of vessel > tackle or purchase > [noun] > system of) pulley(s) > specific forms of block snap-block1626 tail-block1769 notch-block1788 strap-bound-block1794 monkey1834 strap-block1875 butterfly block1882 society > occupation and work > equipment > machine tool > lathe > [noun] > tail-stock foot stock1855 tail-stock1864 tail-block1881 1769 W. Falconer Universal Dict. Marine Tail-block, a small single block, having a short piece of rope attached to it, by which it may be fastened to any object..either for convenience, or to increase the force applied to the said object. 1829 F. Marryat Naval Officer I. viii. 229 A tail block was attached to the boom iron. 1881 F. Young Every Man his own Mechanic §591 The tail-block [of a lathe] has a sliding spindle worked by the screw and wheel. < as lemmas |
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