fumatorium
noun
fu·ma·to·ri·um
ˌfyüməˈtōrēəm
plural -s
: an airtight compartment in which vapor may be generated to destroy fungal or insect pests (as on growing plants) : a fumigation chamber
Word History
Etymology
New Latin, from Latin fumatus (past participle of fumare to smoke, from fumus smoke) + -orium -ory