vbl. sb. Shipbuilding. [Of obscure origin: cf. SNY sb., and dial. sny, snigh to turn up the nose.] (See quots.)

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1711.  W. Sutherland, Ship-build. Assist., 47. As much as possible keep your Work from extream Snying or Cambering. Ibid., 164. Snying, an arching upwards, where the Middle of the Plank appears higher than the Ends.

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1815.  Burney, Falconer’s Mar. Dict., 488/1. Snying, among shipwrights, a term used for a circular plank, edgeways, to work in the bows of the ship.

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  So Snying ppl. a., having an upward curve or sny.

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1711.  W. Sutherland, Ship-build. Assist., 47. You will likewise be obliged to have snying (or crooked) Planks.

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1736.  Pegge, Kenticisms (E. D. S.), 48. A stick or bat of timber is said to be a snying piece, when it bends or is somewhat curved.

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c. 1850.  Rudim. Navig. (Weale), 149. Snying. A term applied to planks when their edges round or curve upwards. Ibid., 152. Its use is to take out the snying edge.

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