What is the meaning of Rappen?

A unit of currency in Switzerland and Liechtenstein, equal to one-hundredth of a Swiss franc.

to rap (speak lyrics in the style of rap music)

to rap

to rip, to tear

to snatch, to tear off

to grate

to strike, smite

definite plural of rapp n

definite singular of rapp c

Source: wiktionary.org