Definition - What does Judiciary mean?
The judiciary refers to all the people who comprise the legal system, from the Supreme Court justices and county trial judges to the clerks of court, court reporters and interpreters.
In the United States, the judiciary was established to resolve legal disputes, to interpret legislation and, in times of confusion, to describe, definitively, what the law is.
Justipedia explains Judiciary
In the American model of federal republic government, three distinct branches of government were established to ensure a system of checks and balances and to prevent abuses of power: the legislative, executive and judicial branches.
The judicial branch is often called the judiciary. In simpler terms, the judiciary lives in the courthouses spread across the nation. Most citizens’ interactions with the American judiciary begin in the county courts, where officials of each state’s judiciary, also known as judges, administer justice.