from The American Heritage® Dictionary of the English Language, 4th Edition
- n. An airtight fumigation chamber in which chemical vapors are used to destroy insects and fungi on plants. Also called fumatory.
from the GNU version of the Collaborative International Dictionary of English
- n. An air-tight compartment in which vapor may be generated to destroy germs or insects; esp., the apparatus used to destroy San José scale on nursery stock, with hydrocyanic acid vapor.
from The Century Dictionary and Cyclopedia
- n. A fumatory; specifically, in recent use, an air-tight structure in which small trees or other plants are fumigated to destroy scale or other insects.
New Latin fūmātōrium, from Latin fūmāre, to smoke, from fūmus, smoke.(American Heritage® Dictionary of the English Language, Fourth Edition)