From Wiktionary, the free dictionary
Riese + -in
Riesin f (genitive Riesin, plural Riesinnen, masculine Riese)
- a female giant, a giantess
Declension of Riesin [feminine]
- “Riesin” in Duden online
- “Riesin” in Digitales Wörterbuch der deutschen Sprache