A more thorough explanation:

Definition: Onerari non (on-uh-rare-ee non) is a Latin term used in law to mean "ought not to be charged." It was commonly used by defendants in debt actions as the beginning of a plea.

Example: If someone owed money to another person, the defendant could use the phrase "onerari non" to argue that they should not be charged with the debt.

Explanation: The phrase "onerari non" was used as a legal defense in debt actions. It was a way for the defendant to argue that they should not be held responsible for the debt in question. By using this phrase, the defendant was essentially saying that they should not be charged with the debt because of some legal reason or technicality.