- posse comitatus.
- a body or force armed with legal authority.
- a group of friends or associates: hanging out with your posse; a posse of drug dealers.
- the able-bodied men of a district assembled together and forming a group upon whom the sheriff may call for assistance in maintaining law and order
- possibility (esp in the phrase in posse)
- a Jamaican street gang in the US
- a group of friends or associates