FUMIGATE

[fu.mi.gate] vt -gat.ed ; -gat.ing [L fumigatus, pp. of fumigare, fr. fumus + -igare (akin to L agere to drive)--more at agent] (1781): to apply smoke, vapor, or gas to esp. for the purpose of disinfecting or of destroying pests -- fu.mi.ga.tion n -- fu.mi.ga.tor n