Listen to the German pronunciation of Rosa. The speaker is a native speaker of Standard German from Schleswig-Holstein / Northern Germany:
Typically born before 1930 or after 2000
1) Short form of Germanic names beginning with Ros- meaning 'fame' or 'horse' depending on the name
2) German rosa = 'pink'
Detailed information about the origin and meaning of Rosa can be found on our sister site www.nordicnames.de.