Tub (noun)

1. A large, open, deep container, typically round or oval and made of plastic, metal, or wood, used for holding liquids, or for washing things.
2. A container with a flat bottom and vertical sides, used for holding goods or materials.
3. A bathtub, a container for bathing.

Origin:

Derived from the old english word "tub" meaning a wooden vessel or container.

Examples:

1. He filled the tub with water to take a bath.
2. She was washing the dishes in the tub.
3. The tub was filled with ice and drinks for the party.
4. The tub was used for holding the cement during construction.
5. The tub was big enough for two people to take a bath together.