cucking-stool
/ˈkʌkɪŋstuːl/noun
- historical a chair to which disorderly women were tied and then ducked into water or subjected to public ridicule as a punishment〈史〉（将泼妇绑在上面浸入水中或示众的）马桶椅。
词源
Middle English: from obsolete cuck 'defecate', of Scandinavian origin; so named because a stool containing a chamber pot was often used for the purpose.