noun. One who or that which fumigates; specifically, a furnace or brazier in which tobacco-stems, disinfecting materials, etc., are burned for the purpose of creating a heavy smoke destructive to insect life, as in plant-houses, or for purifying or perfuming an apartment.

noun. One who, or that which, fumigates; an apparattus for fumigating.

noun. One who fumigates.

noun. An apparatus for fumigating.

noun. a device that generates a gas for the purpose of disinfecting or eradicating pests

noun. someone whose job is to fumigate

"Through a side window the girls stand between hedges and watch a fumigator pump clouds of gas into what had been his examination room."

device  skilled worker  skilled workman  trained worker