noun Usage: often capitalized E Etymology: Bartolommeo Eustachio Date: 1741 a bony and cartilaginous tube connecting the middle ear with the nasopharynx and equalizing air pressure on both sides of the tympanic membrane
EUSTACHIAN TUBE
Meaning of EUSTACHIAN TUBE in English
Merriam Webster. Explanatory English dictionary Merriam Webster. Толковый словарь английского языка Мерриам-Уэбстер. 2012