英语词汇“jewel-block”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	jewel-block
释义	ˈjewel-block Naut. [perh. a sailors' fanciful appellation.] The name given to each of two small blocks suspended at the extremities of the main and fore-topsail yards, through which the halyards of the studding-sails are passed. 1769–89Falconer Dict. Marine s.v., The haliards, by which those studding-sails are hoisted, are accordingly passed through the jewel-blocks.c1860H. Stuart Seaman's Catech. 19 Jewel blocks are not on royal yards, unless royal studding sails are used.
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