Noun
Any box or boxlike structure used to induce sweating, such as of hides or tobacco
(US, slang) A jail cell.
(UK, slang) A compartment in a police van to hold a prisoner being transported.
A small overheated cell or room used for solitary confinement or torture.
(slang) A small nightclub packed to capacity where people get hot and sweaty.
(animation) The room where a scene is reviewed.
(animation) The review process that takes place in a sweat box.
Source: en.wiktionary.org