TYMPANUM
Meaning of TYMPANUM in English
tym ‧ pa ‧ num /ˈtɪmpənəm/ BrE AmE noun ( plural tympanums or tympana /-nə/) [countable]
technical an ↑ eardrum
Longman Dictionary of Contemporary English.
Longman - Словарь современного английского языка.
2012