The noun audit has 2 senses (first 1 from tagged texts)
1. (2) audited account, audit -- (an inspection of the accounting procedures and records by a trained accountant or CPA)
2. audit -- (a methodical examination or review of a condition or situation; "he made an audit of all the plants on his property"; "an energy efficiency audit"; "an email log audit")
Overview of verb audit
The verb audit has 2 senses (first 1 from tagged texts)
1. (1) audit, scrutinize, scrutinise, inspect -- (examine carefully for accuracy with the intent of verification; "audit accounts and tax returns")
2. audit -- (attend academic courses without getting credit)