资料来源 : Webster's Revised Unabridged Dictionary (1913)

Auditory \Au"di*to*ry\, a. [L. auditorius.]
   Of or pertaining to hearing, or to the sense or organs of
   hearing; as, the auditory nerve. See {Ear}.

   {Auditory canal} (Anat.), the tube from the auditory meatus
      or opening of the ear to the tympanic membrane.

资料来源 : WordNet®

auditory canal
     n : either of the passages in the outer ear from the auricle to
         the tympanic membrane [syn: {auditory meatus}, {acoustic
         meatus}, {ear canal}, {external auditory canal}]