1. (

• bathtub ,
• bathing_tub ,
• tub ,

) a relatively large open container that you fill with water and use to wash the body ;

2. (

• tub ,
• vat

) a large open vessel for holding or storing liquids ;

3. (

• tub ,
• tubful

) the amount that a tub will hold; "a tub of water" ;