close-stool

listen to the pronunciation of close-stool
Английский Язык - Английский Язык
A chamber pot enclosed in a stool or box; a commode

No more midnight treks to the outhouse. No more close-stools or thundermugs a feature of even the most exalted houses in Armethalieh..

necessary stool, stool that has a seat with a hole in which a chamber pot is placed (used for sick or disabled persons)
closestool
A utensil to hold a chamber vessel, for the use of the sick and infirm
closestool
It is usually in the form of a box, with a seat and tight cover