- a small group stationed at a distance from the main force in order to prevent an enemy surprise attack
- the place or station occupied by such a group
- any military base away from the home country
- a settlement on a frontier or border
See outpost in American Heritage Dictionary 4
a. A detachment of troops stationed at a distance from a main force to guard against surprise attacks.
b. The station occupied by such troops.
c. A usually small military base established in another country.
- An outlying settlement.
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