[1] : The Collaborative International Dictionary of English v.0.48

auditory \au"ditory\, a. l. auditorius.
   of or pertaining to hearing, or to the sense or organs of
   hearing; as, the auditory nerve. see ear.
   1913 webster

   auditory canal anat., the tube from the auditory meatus
      or opening of the ear to the tympanic membrane.
      1913 webster
see also:
ear auditory canal 

[2] : The Collaborative International Dictionary of English v.0.48

auditory \au"ditory\, n. l. auditorium.
   1. an assembly of hearers; an audience.
      1913 webster

   2. an auditorium. --udall.
      1913 webster

[3] : WordNet (r) 2.0

auditory
     adj : of or relating to the process of hearing; "auditory
           processing"; "an audile person" syn: audile, auditive
see also:
audile auditive 

Auditory >> A Words
Auditory, definition of term: Auditory
auditory_pag1.html

Auditory Nerve >> A Words
Auditory Nerve, definition of term: Auditory Nerve
auditory+nerve_pag1.html

Auditory Canal >> A Words
Auditory Canal, definition of term: Auditory Canal
auditory+canal_pag1.html

Auditory Meatus >> A Words
Auditory Meatus, definition of term: Auditory Meatus
auditory+meatus_pag1.html