Word Study
vang
CIDE DICTIONARY
vang, n. [D. vangen to catch, seize. See Fang.].
A rope to steady the peak of a gaff. [1913 Webster]
OXFORD DICTIONARY
vang, n. Naut. each of two guy-ropes running from the end of a gaff to the deck.
Etymology
earlier fang = gripping-device: OE f. ON fang grasp f. Gmc
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