Snub. To stop suddenly a rope or cable that is running.
Snubber. A cable stopper.
Snubbing Line. Rope used for checking a vessel's way when warping her into a dock or basin.
Snug Down. Reduce sail in anticipation of increased wind.
Sny. Boatbuilding term used when referring to the upward sweep of a boat's strake before attachment to the ribs. The strake has a horned, or crescent, shape; the upward sweep from middle to ends being the sny.
Soft Iron 319 Solstitial Colure
Soft Iron. Iron, or ferrous alloy, that becomes magnetic when in a magnetic field but loses its magnetism when removed from the field.
Soft Laid. Said of rope or yarn that has been rather loosely laid up to gain flexibility and grip.