n. A hearer; one who listens to what is said; a member of an auditory.n. Same as audient, n.n. A person appointed and authorized to examine an account or accounts, compare the charges with the vouchers, examine parties and witnesses, allow or reject charges, and state the result.n. One of certain officers of high rank at the papal court: so called from their connection with business treated of in audiences with the pope: as, auditor of the apostolic chamber; auditor of the pope; auditors of the Roman rota (which see).