Roscoe has 2 different meanings across 1 category:
Proper Noun
Noun
1
A handgun, particularly a revolver.
"After checking his permit, he holstered his Roscoe and waited for the shift to begin."
Proper Noun
1
A surname, from Old English​.
"My neighbor Roscoe always greets me with a friendly wave when I walk by his house."