a place equipped with targets and used for practice in shooting.
2.
Slang. a place where drug addicts can buy and inject themselves with narcotic drugs.
Origin
1830-40
Examples from the web for shooting gallery
It is not a campground, a homeless shelter, a shooting gallery for drug addicts or a political platform.
Interactive exhibits include a safecracking exercise, computer hacking and a shooting gallery.
And the solar system has not ceased to be a shooting gallery.
British Dictionary definitions for shooting gallery
shooting gallery
noun
1.
an area, often enclosed, designed for target practice, shooting, etc
2.
(slang) a house where heroin addicts inject themselves
Slang definitions & phrases for shooting gallery
shooting gallery
noun phrase
A place where a narcotics user can get a dose or injection
A party or gathering where narcotics users take injections: in a fellow musician's hotel room during a ''shooting gallery'' (dope party)(1950s+ Narcotics)