Search Result for "eardrum": 
Wordnet 3.0

NOUN (1)

1. the membrane in the ear that vibrates to sound;
[syn: eardrum, tympanum, tympanic membrane, myringa]



The Collaborative International Dictionary of English v.0.48:

Eardrum \Ear"drum`\, n. (Anat.)
   The tympanum. See Illust. of Ear.
   [1913 Webster]


WordNet (r) 3.0 (2006):

eardrum
    n 1: the membrane in the ear that vibrates to sound [syn:
         eardrum, tympanum, tympanic membrane, myringa]