Outpost
Concept · Conquest · Stellaris 4.5.2
Outpost (conquest) in the Stellaris encyclopedia: Outposts are small Starbases built to expand the borders of an Empire into unowned Systems.
Outpost in the game's words
The encyclopedia entry as the game shows it in its tooltips; underlined words open their own entry or page here.
Outposts are small Starbases built to expand the borders of an Empire into unowned 
Systems.
The number of Outposts is not limited by the empire's Station Capacity.
The 
Starbase View provides a way to upgrade an Outpost into a more capable Starbase.
Entries that mention Outpost
More in Conquest
Source: common/game_concepts (concept_outpost, also concept_outposts) and localisation/english, Stellaris Cygnus v4.5.2 (9776).