boot-topping

  1. Noun.  (nautical) The process of cleaning the upper part of a ship's underwater hull and daubing it with a protecting layer of antifouling substance.
  2. Noun.  (nautical) Any substance used for '''boot-topping''', especially a mixture of tallow, sulphur or lime and rosin, which was commonly used to paint the bottoms of wooden ships, as a deterrent against weeds and barnacles, and to reduce friction.

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This entry was last updated on RefTopia from its source on 3/20/2012.