Function: noun
Date: 1683
: an oval opening between the middle ear and the vestibule having the base of the stapes or columella attached to its membrane
Function: noun
Date: 1683
: an oval opening between the middle ear and the vestibule having the base of the stapes or columella attached to its membrane
Merriam Webster Collegiate English Dictionary. Merriam Webster - Энциклопедический словарь английского языка. 2012