bunt-jiggern. ‘a small gun-tackle purchase..used in large vessels for bowsing up the bunt of a sail when furling’ (Smyth Sailor's Word-bk.).
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society > travel > travel by water > vessel, ship, or boat > equipment of vessel > tackle or purchase > [noun] > consisting of two single blocks > small, for furling sail
bunt-jigger1860
1860 H. StuartNovice's or Young Seaman's Catech. (rev. ed.) 18 Bunt lines, bow~lines, and bunt jiggers.