From Longman Dictionary of Contemporary Englisheardrumear‧drum /ˈɪədrʌm $ ˈɪr-/ noun [countable] HBHa tight thin piece of skin over the inside of your ear which allows you to hear sound
Examples from the Corpus
eardrum• One was injured in the face and abdomen and the other suffered burst eardrums.• Cicadas have circular eardrums on either side of the thorax.• This is very similar to the human eardrum.• Their hands flew to their ears again, pain stabbing into eardrums.• She would shatter the Bug's eardrum.• The outer part of the funnel serves to catch the sound-vibration while the tube carries it directly to the eardrum.• This was supposed to keep your eardrums from bursting.• The Vapour Corporation Power pop, which means don't expect to leave with your eardrums intact. 