LATIN DICTIONARYLexicon Latīnum
noun · neuter

posse

posse n (indeclinable)
Classical[ˈpɔs.sɛ]Ecclesiastical[ˈpɔs.se]

Meaning

  1. indeclinableneuterpower, ability
  2. indeclinableneuterpotentiality, capability of being
  3. Late Latinindeclinableneuterforce, body of men
  4. Medieval Latinindeclinableneuterterritory, dominion

Quick answers

What does posse mean in Latin?
posse, a noun, means “power, ability; potentiality, capability of being; force, body of men”.
How do you pronounce posse?
In classical Latin, [ˈpɔs.sɛ]; in ecclesiastical (church) Latin, [ˈpɔs.se].