WordReference Random House Unabridged Dictionary of American English © 2026
inter′nal ear′,
- Anatomythe inner portion of the ear, involved in hearing and balance, consisting of a bony labyrinth that is composed of a vestibule, semicircular canals, and a cochlea and that encloses a membranous labyrinth. Cf. ear1 (def. 1). See diag. under ear 1.
'internal ear' also found in these entries (note: many are not synonyms or translations):