1 (group of soldiers at an) observation point some distance away from the main army 前哨（站）.
2 any distant settlement 偏远居民区
*a missionary outpost in the jungle 丛林区传教居民点
* (joc 谑) You'd better get petrol here where we're going is the last outpost of civilization. 你最好在这儿加足汽油--咱们要去的算是人类文明的边缘地区.
a group of buildings in a place far from cities or towns, usually established as a military camp or a place for trade
a remote outpost of the empire