n.
1.the power or right to give orders or make decisions
2.(usually plural) persons who exercise (administrative) control over others
3.an expert whose views are taken as definitive
4.freedom from doubt
5.an administrative unit of government
6.official permission or approval
7.an authoritative written work
Idiom of the Day
Hang it!
a rather old expression used to express annoyance or disappointment
"Hang it," the man said when he hit his finger with the hammer.