1. a relatively large open container that you fill with water and use to wash the body (Freq. 7) • Syn: bathtub, bathing tub, bath • Derivationally related forms: bath (for: bath) • Hypernyms: vessel • Hyponyms: footbath, hot tub, sitz bath, hip bath • Part Holonyms: bathroom, bath 2. a large open vessel for holding or storing liquids (Freq. 1) • Syn: vat • Hypernyms: vessel • Hyponyms: washtub 3. the amount that a tub will hold - a tub of water • Syn: tubful • Hypernyms: containerful