\Boot"top`ping\, n.
1. (Naut.) The act or process of daubing a vessel's bottom
   near the surface of the water with a mixture of tallow,
   sulphur, and resin, as a temporary protection against
   worms, after the slime, shells, etc., have been scraped
   off.
2. (Naut.) Sheathing a vessel with planking over felt.