chamber pot
英 [ˈtʃeɪmbə pɒt]
美 [ˈtʃeɪmbər pɑːt]
n. (旧时的)夜壶，尿壶
牛津词典
noun
- （旧时的）夜壶，尿壶
a round container that people in the past had in the bedroom and used for urinating in at night
柯林斯词典
- 夜壶;尿壶
Achamber potis a round container shaped like a very large cup. Chamber pots used to be kept in bedrooms so that people could urinate in them instead of having to leave their room during the night.