Function: noun
Date: 1808
: a small membrane-lined cavity that is separated from the outer ear by the eardrum and that transmits sound waves from the eardrum to the partition between the middle and inner ears through a chain of tiny bones
MIDDLE EAR
Meaning of MIDDLE EAR in English
Merriam Webster Collegiate English Dictionary. Merriam Webster - Энциклопедический словарь английского языка. 2012