| 单词 | letter lock |
| 释义 | > as lemmasletter lock letter lock n. a combination lock opened by rotating a set of lettered dials in a specific sequence. ΘΚΠ society > occupation and work > equipment > building and constructing equipment > fastenings > [noun] > lock > combination lock > type of letter lock?a1650 puzzle lock1838 wheel-lock1875 autodial1932 ?a1650 Ghismonda (1944) iv. 151 With a letter-locke They were so fastned that till you spake ye word, The skilful'st picklock knew not how to open't. 1774 W. Perry Man of Business 3 (table) ½ doz. letter-locks, at 13s. ditto. 1850 J. Chubb On Constr. Locks & Keys 6 Another description of lock is that well known by the name of the ‘Letter Lock’. 1922 Times 15 Aug. 11/5 Why not have letter locks? These cannot be opened by any other than the owner of the word or by violence. 1996 L. Day & I. McNeil Biogr. Dict. Hist. Technol. 550/2 Perkins had..invented..a letter-lock for bank vaults. < as lemmas |
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