sweatbox noun 7verb 2forms 3 noun7 •Any box or boxlike structure used to induce sweating, such as of hides or tobaccoAustralia Post has been accused of endangering staff with "sweatbox" uniforms and restricting earlier starts to save money. — 2009 •A small overheated cell or room used for solitary confinement or torture.In the summer of 1945, one young boy died of heart failure while locked in a sweatbox, a popular corrective at that time. — 2019 •(US, slang) A jail cell. •(UK, slang) A compartment in a police van to hold a prisoner being transported.[…] she was finally hustled into a sweatbox, as prisoners and prison staff called it, and was off to meet her new home for the foreseeable future. — 2018 •(slang) A small nightclub packed to capacity where people get hot and sweaty. •The room where a scene is reviewed. •The review process that takes place in a sweat box. verb2 •(slang) To place (a person) in a jail cell or a police van compartment. •To review (work) in the designated room for such reviews. formssweatboxed · sweatboxing · sweatboxes