1. a fortified place or garrison; a stronghold
Usage: archaic; historical
2. a protective force or guard
Usage: archaic; historical

Examples

• The Roman praesidium controlled the mountain pass.
• Ancient texts describe the praesidium as heavily fortified.
• The praesidium was established to protect trade routes.
• Soldiers were stationed at the praesidium year-round.
• The praesidium served as both fortress and administrative center.
• Archaeological remains of the praesidium were discovered last year.