Bedpan

Noun

 * 1) A variety of chamber pot that is used while still in bed, generally for reasons of medical necessity or convenience

Thesaurus
can, chamber, chamber pot, chemical closet, chemical toilet, commode, crapper, jerry, john, johnny, jordan, latrine, piss pot, potty, potty-chair, stool, throne, thunder mug, toilet, urinal, water closet