n. 命令书

vt. 发训令

[法] 命令书, 命令状, 指令

[ noun ]
an extraordinary writ commanding an official to perform a ministerial act that the law recognizes as an absolute duty and not a matter for the official's discretion; used only when all other judicial remedies fail
<noun.communication>

Mandamus \Man*da"mus\, n. [L., we command, fr. mandare to
command.] (Law)
A writ issued by a superior court and directed to some
inferior tribunal, or to some corporation or person
exercising authority, commanding the performance of some
specified duty.