From Wiktionary, the free dictionary
frontal (“frontal”) + Lappen (“lobe”)
- IPA(key): /fʁɔnˈtaːlˌlapm̩/, /fʁɔnˈtaːlˌlapən/
Frontallappen m (strong, genitive Frontallappens, plural Frontallappen)
- frontal lobe
Declension of Frontallappen [masculine, strong]