fu·ma·to·ri·um 
(fy′mə-tôrē-əm)
(fy′mə-tôrē-əm)n. pl. fu·ma·to·ri·ums or fu·ma·to·ri·a (-tôrē-ə)
An airtight fumigation chamber in which chemical vapors are used to destroy insects and fungi on plants. Also called fumatory.
[New Latin fūmātōrium, from Latin fūmāre, to smoke, from fūmus, smoke.]