A Justiciary

1. (Scotland, countable, chiefly historical) A judgeship: a judge's jurisdiction, power, or office.
2. (originally Scotland, uncountable) The judiciary: a collective term for the court system or the body of judges, justices etc.
3. (historical) One who administers justice, particularly:
   1. (historical) A judge or justice.
   2. (historical) A magistrate.
   3. (historical) A Chief Justiciar: the highest political and judicial officer of the Kingdom of England in the 12th and 13th centuries.
   4. (historical) A justiciar: a high-ranking judicial officer of medieval England or Scotland.
   5. (historical) Various equivalent medieval offices elsewhere in Europe.
4. (Christianity, theology) A believer in the doctrine (or heresy) that adherence to religious law redeems mankind before God.

Synonyms

• (The jurisdiction, power, or office of a judge): See judgeship
• (The collective body of judges): See judiciary
• (One who administers justice): justicer, justiciar
• (A judge): See judge
• (The chief judicial officer of medieval England): See judiciar
• (Proponent of a theological doctrine): See legalist