noun. the membrane in the ear that vibrates to sound.
- tissue layer
- tympanic membrane
- perforated eardrum
- drum (English)
- ear (English)
- er (Middle English (1100-1500))
Example sentences of the word eardrum
1. Noun, singular or mass
The thermometer must go deep inside the ear canal in order to get an accurate reading from the eardrum.
Dr. Hain also warns patients that this should not be performed if you have, or there's the potential that you have, an eardrum perforation.