- mandamus⇄mandamus, noun, verb, -mused,-musing.
- mandamus⇄noun (Law.)1. a written order from a higher court to a lower court, an official, a city, a corporation, or other body or group, directing that a certain act be done.
Ex. He sought ... an order of mandamus to restore his name to the register (Londo - mandamus⇄v.t. (Informal.) to serve or threaten with a mandamus.