1) Having a garrison 
The Présidial was a judicial tribunal of the French Ancien Régime, set up in January 1551 (Old Style) by Henry II of France and suppressed by a decree of the National Assembly in 1790. ...
of, like or pertaining to a garrisonpresidential
• (a.) Alt. of Presidiary
(from the article `France`) ...of Paris alone, the king created two new chambers, each containing 20 members, and a further score of judges. In 1552 Henry II established a new ...