1. of or relating to a president or presidency
Usage: formal
2. of or relating to a garrison or fortress
Usage: historical; military

Examples

• The presidial palace was heavily guarded during the ceremony.
• He served in a presidial capacity for the organization.
• The presidial fort controlled the mountain pass.
• Presidial duties included overseeing the garrison.
• The presidial system was established to defend the frontier.
• She held presidial authority over the council.