From Longman Dictionary of Contemporary Englishwashtubwash‧tub /ˈwɒʃtʌb $ ˈwɒːʃ-, ˈwɑːʃ-/ noun [countable] DHCa very large bowl used in the past for washing clothes in
Examples from the Corpus
washtub• I had slumped down on a high, three-legged stool in back of the metal washtub.• Saturday night must have been pandemonium with everybody needing their turn in the washtub.• Instead of taking Barnsley to the cleaners, it was Swindon who went in the washtub and were all but scrubbed out.• For Los Angeles to take their water to fill their washtubs and water glasses was one thing. 