Definitions:

1. Aa thin, circular layer of tissue that separated the outer ear from the middle ear. NOUN
   • Protecting your ears from loud noises can help prevent damage to the eardrum.
2. The membrane in the ear that vibrates to sound. NOUN
   • A perforated eardrum can result from infection, injury, or pressure changes.

Synonyms:

• myringa
• timpani
• tympanic membrane
• tympanum