earchamber
nounUK /ˈɪəˌtʃeɪmbə/
US /ˈɪrˌtʃeɪmbər/
A small room inside your ear that helps you hear.
The doctor looked inside my earchamber to check my hearing.
OTHER MEANINGS
2. A tiny hollow space in the ear where sound echoes.
Sound travels through the earchamber before reaching the brain.
3. A small cavity in a bone near the ear.
The scan showed a small earchamber in the skull.
4. A part of a machine shaped like an ear that holds sound.
The old radio had a brass earchamber for the speaker.