Rock-Paper-Scissors is a subcategory of Simultaneous Action Selection or Trick-Playing.
Its defining feature is that there is a circular hierarchy for which pieces win against or capture others. That is, while A might beat B, and B beat C, C beats A.
The name derives from the well-known children's game where
Scissors cuts Paper
Paper covers Rock
Rock crushes Scissors
But can refer to any game with non-transitive mechanics, e.g.

or