A more thorough explanation:

Definition: Uttering is a crime where someone tries to pass off a fake document as real, with the intention of cheating or deceiving someone.

Example: If someone creates a fake check and tries to deposit it into their bank account, they are committing uttering.

Explanation: In this example, the person is trying to pass off a fake check as a real one, with the intention of getting money they are not entitled to. This is a clear case of uttering, as they are using a forged instrument (the fake check) to try and defraud the bank.