A contrivance for catching and destroying insects, consisting essentially of an elongated pen or frame which is filled or smeared with some…

a toxic crystalline compound, Cl3C·CCl3, having uses as an insecticide and anthelmintic and as an ingredient in smoke-producing mixtures.

North American colloquial. A substance or device used to deter, control, or kill insects and other bugs (bug, n.2 1); an insect repellent; an…

(a) A person, technique, etc., that kills or does away with something. (b) spec. Any of various devices for destroying or warding off pests; also…