- a station established at a distance from the main body of an army to protect it from surprise attack: We keep only a small garrison of men at our desert outposts.
- the body of troops stationed there; detachment or perimeter guard.
- an outlying settlement, installation, position, etc.
- military
- a position stationed at a distance from the area occupied by a major formation
- the troops assigned to such a position
- an outlying settlement or position
- a limit or frontier
