WordReference Random House Unabridged Dictionary of American English © 2025
ex•ter•mi•na•tor
(ik stûr′mə nā′tər),USA pronunciation n.
- a person or thing that exterminates.
- a person or business establishment specializing in the elimination of vermin, insects, etc., from a building, apartment, etc., esp. by the controlled application of toxic chemicals.
- Late Latin exterminātor. See extermine, -ator
- 1605–15