| 单词 | jack-pin | 
| 释义 | > as lemmasjack-pin ΘΚΠ society > travel > travel by water > vessel, ship, or boat > equipment of vessel > other equipment of vessel > 			[noun]		 > pin for coiling of running ropes pin1762 belaying-pin1836 jack-pin1867 1867    W. H. Smyth  & E. Belcher Sailor's Word-bk.  				Jack-pins, a name applied to the fife-rail pins. 1883    W. C. Russell Sailors' Lang.  				Tack-pins—also called jack-pins, belaying-pins. < as lemmas | 
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