1.NounInsecticide in aerosol form for killing household pests.
"This can of bug spray says that it "kills most bugs in seconds" and that you should avoid getting any of it on yourself and should wash and launder thoroughly if that happens, although it is not poisonous to humans."
2.NounInsect repellent in aerosol form, such as one sprays on one's clothing and/or skin to keep away mosquitoes, gnats, flies, midges, etc.
"This can of bug spray says that it is nontoxic to humans and pets and that you should periodically reapply it to your arms and clothing as needed."