单词 | lock piece |
释义 | lock piece/ˈlɒk piːs/noun 1 Mining. A prop to support the roof of a working. Now historical and rare. 2A piece of a mechanism or object for preventing the movement or displacement of something. 3In a firearm: a small projection for the attachment of a lock. Now historical. OriginLate 18th century; earliest use found in William Pryce (d. 1790), surgeon, mineralogist, and antiquary. From lock + piece. |
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