1. scattergun - Noun
2. scattergun - Adjective
firearm that is a double-barreled smoothbore shoulder weapon for firing shot at short ranges
Source: WordNetShotgun ammunition switched to plastic hulls in the mid-20th century (shotgun shells had previously been made of paper or, if you were rich, brass) with a brass base and basically became the only game in town for feeding a scattergun. Source: Internet
For those who keep a shotgun for home defense – and the scattergun is the queen of personal defense weapons inside about 100 yards – you’ll also want to pattern your gun and your defense load at that distance. Source: Internet