what is decreed
â¢ DECREE (noun). The noun DECREE has 1 sense: 1. a legally binding command or decision entered on the court record (as if issued by a court or judge). Familiarity information: DECREE used as a noun is very rare. â¢ DECREE (verb). The verb DECREE has 2 senses: 1. issue a decree. 2. decide with authority. Familiarity information: DECREE used as a verb is rare.