society > travel > travel by water > vessel, ship, or boat > shipbuilding and repairing > [noun] > fitting out or equipping ships > cleaning and recoating bottom (13)
The action of grave, v.2; the cleaning of a ship's bottom by scraping or burning, and coating with tar; concrete = graving stuff n.
The action of clean, v.; freeing from dirt or filth, purifying, cleansing.
Subcategories:
— tilting ship to clean side (1)
— shells or incrustation on ship's bottom (2)
— covering bottom with tar (7)