\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.

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