D defs.my
Entry 2 senses Webster, 1913

Boottopping

· Boot·top·ping · IPA
01 n. 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 …
  1. 1.
    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.(Naut.)
  2. 2.
    Sheathing a vessel with planking over felt.(Naut.)