This is the 7067th most frequent German word.
franziska
"Franziska" is a German female given name and does not have a separate definition other than being a proper name.
Here, 'Franziska' is used as a proper noun referring to an individual's name.
Franziska ist eine freundliche Person.
Franziska is a friendly person.
In this case, 'Franziska' refers to an object, specifically a historical weapon type.
Das Franziska der Renaissance war ein leichtes Beil.
The 'Franziska' of the Renaissance was a light axe.
Here, 'Franziska' is used again as a proper noun representing someone's name, but within a psychological context.