What does the french word frappez mean in English?

"Frappez" is the imperative form of the French verb "frapper", which means "to hit" or "to strike".

Therefore, "frappez" directly translates to "hit" or "strike" in English. It is a command, like "hit it" or "strike it".

It's important to note that "frapper" can also have other meanings depending on the context, such as "to knock" or "to beat".