Noun
spray gun (plural spray guns)
paint sprayer, powered by compressed air or other gas, larger than an airbrush.
Binks did not like hand brushing the walls in Marshall Fields, so he developed the spray gun to save himself time. Source: Internet
In the late 1950s, KGB assassin Bohdan Stashynsky killed Ukrainian nationalist leaders Lev Rebet and Stepan Bandera with a spray gun that fired a jet of poison gas from a crushed cyanide ampule, making their deaths look like heart attacks. Source: Internet
The city was able to be painted in time because of Joseph Binks, who invented the first spray gun while working as a painter in the basement of Marshall Fields. Source: Internet