a. and sb. [ad. L. fūmigant-em, pr. pple. of fūmigāre: see next.]

1

  † A.  adj. That fumes. Obs. B. sb. That which fumigates, rare.

2

1727–36.  Bailey, Fumigant, smoaking, fuming.

3

1890.  Scott. Leader, 7 Feb., 7. The production of the fashionable little fumigant [cigarette] has trebled in the last two years.

4