AUDITORY is a 8 letter word that starts with A.

1. \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.
   

2. \Au"di*to*ry\, n. [L. auditorium.]
   1. An assembly of hearers; an audience.
   2. An auditorium. --Udall.