Source : Webster's Revised Unabridged Dictionary (1913)

Fumigate \Fu"mi*gate\, v. t. [imp. & p. p. {Fumigated}; p. pr. &
   vb. n. {Fumigating}.] [L. fumigate, p. p. of fumigare to
   fumigate, fr. fumus smoke. See {Fume}, n.]
   1. To apply smoke to; to expose to smoke or vapor; to purify,
      or free from infection, by the use of smoke or vapors.

   2. To smoke; to perfume. --Dryden.

Source : WordNet®

fumigate
     v : treat with fumes, expose to fumes, especially with the aim
         of disinfecting or eradicating pests [syn: {fume}]