n. A commandment or direction given as a rule of action; teaching; instruction; especially, an injunction as to moral conduct; a rule of conduct; a maxim.n. In law: A command or mandate in writing issued by a court or judge, as for bringing a person, record, or other matter before him, or for the collection of costs, etc., or for summoning jurors, etc.n. In English law, a command or mandate in writing issued pursuant to law by an administrative officer: as, a sheriff's precept for a municipal election.To teach; lead by precept.To order by rule; ordain.