tubbing

Verb

• Present participle of tub

Noun

• The forming of a tub.
• Collectively, materials for tubs.
• A bath taken in a tub.
• A lining of timber or metal around the shaft of a mine, especially a series of cast-iron cylinders bolted together, used to enable those who sink a shaft to penetrate quicksand, water, etc., with safety.
• A hazing ritual in which the victim's head is held underwater.
• The activity of rowing in crudely-made boats.