bathtub

Từ điển Oxford Advanced Learner 8th

bath·tub [bathtub bathtubs] BrE [ˈbɑːθtʌb] NAmE [bæθtʌb]
(also informal tub) (both especially NAmE) (BrE also bath)noun a large, long container that you put water in and then get into to wash your whole body
See also: ↑bath ▪ ↑tub