| 单词 | jack file |
| 释义 | > as lemmasjack file jack file n. rare after 17th cent. a broad file (file n.1 1a), thicker in the middle than at the edges. ΘΚΠ society > occupation and work > equipment > shaping tools or equipment > file > [noun] > other files jack file1678 knife-file1683 pillar file1683 using-file1683 carlet1688 grail1688 screw-rasp1688 riffler1797 quannet1809 safe edge1815 cross-cut1831 saw-file1846 shouldering file1846 warding file1846 found1874 side file1874 cant-filea1877 pin bone1936 1678 J. Moxon Mech. Exercises I. iii. 48 A Jack-file, is a broad File somewhat thin on both edges, and stronger in the middle. 1707 Coles's Dict. Eng.-Lat. (ed. 6) at Jack A Jack-file, Lima cum marginibus tenuioribus. 1887 Boston Daily Globe 29 Oct. 8/7 On searching their apartments he found several dozen different kinds of keys, a black jack file and a hangman's knot. 1920 File: Hist., Making, & Uses (Henry Disston & Sons) 17 These files were made for rough work and were bastard-cut, or so-called ‘Jack-files’. 2015 A. Emm Tracing your Trade & Craftsmen Ancestors 3 Jack is used in tools: the bootjack, the jack-file, the jack-screw. < as lemmas |
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