bathtub
n. countable A2 Elementary US //ˈbæθtəb// UK //bˈɑːθtʌb// bath·tub
n. a large fixed container for holding water, used for washing the whole body.
n. a large fixed receptacle for holding water, designed for bathing the whole body.
He filled the bathtub with hot water and added some relaxing bath salts.
The Victorian-era bathroom featured a deep, claw-footed bathtub made of white porcelain.
From bath + tub.