Noun outpost has 3 senses
  1. outstation, outpost - a station in a remote or sparsely populated location
    --1 is a kind of post, station
  2. frontier settlement, outpost - a settlement on the frontier of civilization
    --2 is a kind of colony, settlement
  3. outpost - a military post stationed at a distance from the main body of troops
    --3 is a kind of
    military post, post
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