Noun | 1. | ![]() auditory apparatus - all of the components of the organ of hearing including the outer and middle and inner ears auditory tube, Eustachian tube - either of the paired tubes connecting the middle ears to the nasopharynx; equalizes air pressure on the two sides of the eardrum |
2. | ![]() ear - the sense organ for hearing and equilibrium perforated eardrum - an eardrum with a hole or tear in it; can interfere with normal hearing and cause other ear problems umbo - a slight rounded elevation where the malleus attaches to the eardrum tissue layer, membrane - a pliable sheet of tissue that covers or lines or connects the organs or cells of animals or plants | |
3. | ![]() percussion instrument, percussive instrument - a musical instrument in which the sound is produced by one object striking another |