Pronunciation: (ô'di-tur), [key]
1. a person appointed and authorized to examine accounts and accounting records, compare the charges with the vouchers, verify balance sheet and income items, and state the result.
2. a university student registered for a course without credit and without obligation to do work assigned to the class.
3. a hearer; listener.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.