Definition of eustachian
"Eustachian" is probably misspelled. Trying Eustachian_tube instead Definition of Eustachian_tube
1. Eustachian_tube [ n ] either of the paired tubes connecting the middle ears to the nasopharynx; equalizes air pressure on the two sides of the eardrum
Synonyms auditory_tube Eustachian_tube Related Terms salpinx middle_ear
