cucking stool

UK: /ˈkʌkɪŋ/ US: (kuk′ing)

WordReference Random House Unabridged Dictionary of American English © 2025

cuck′ing stool′  (kuk′ing), 

1. a former instrument of punishment consisting of a chair in which an offender was strapped, to be mocked and pelted or ducked in water.

• Scandinavian; compare dial Swedish kukka) + stol stool
• Middle English cucking stol, literally, defecating stool, equivalent. to cucking, present participle of cukken to defecate (1175–1225

Collins Concise English Dictionary © HarperCollins Publishers::

cucking stool / ˈkʌkɪŋ/ noun

1. a stool to which suspected witches, scolds, etc, were tied and pelted or ducked into water as a punishment
   Compare ducking stool

Etymology: 13th Century cucking stol, literally: defecating chair, from cukken to defecate; compare Old Norse kúkr excrement