Definition of "auditor" in English

noun

1. One who audits bookkeeping accounts.

2. In many jurisdictions, an elected or appointed public official in charge of the public accounts; a comptroller.

3. One who audits an academic course; who attends the lectures but does not earn academic credit.

4. (rare) One who listens, typically as a member of an audience.

5. (Scientology) One trained to perform spiritual guidance procedures.