eustachian tube

play
noun, often capitalized E eu·sta·chian tube \yü-ˈstā-sh(ē-)ən- also -ˈstā-kē-ən-\

Definition of eustachian tube

  1. :  a bony and cartilaginous tube connecting the middle ear with the nasopharynx and equalizing air pressure on both sides of the tympanic membrane —called also auditory tube — see ear illustration

Origin and Etymology of eustachian tube

Bartolommeo Eustachio


Medical Dictionary

eustachian tube

noun , often capitalized E eu·sta·chian tube

Medical Definition of eustachian tube

  1. :  a bony and cartilaginous tube connecting the middle ear with the nasopharynx and equalizing air pressure on both sides of the tympanic membrane—called also auditory tube, pharyngotympanic tube

Illustration of eustachian tube


Learn More about eustachian tube


Seen and Heard

What made you want to look up eustachian tube? Please tell us where you read or heard it (including the quote, if possible).

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

WORD OF THE DAY

sad or melancholy

Get Word of the Day daily email!

WORD GAMES

Take a 3-minute break and test your skills!

  • istock-refers-to-this-as-a-tumble-of-strawberries-which-sounded-pretty-nice-to-us
  • Which is a synonym of garner?
Spell It

Can you spell these 10 commonly misspelled words?

TAKE THE QUIZ
Word Winder's CrossWinder

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!