Noun
dart gun (plural dart guns)
A non-lethal air gun used to reduce irritability or agitation in animals.
A man, who is a member of the Orangutan Protection Unit for the International Animal Rescue non-profit organisation, can be seen in the video creeping under the animal with a dart gun. Source: Internet
I never doubted I was loved, even when she spanked me for shooting my brother Doug with a dart gun. Source: Internet