| an arrangement of five objects, as trees, in a square or rectangle, one at each corner and one in the middle. |
| an extraordinary or unusual thing, person, or event; an exceptional example or instance. |
Republic in south-central South America, enclosed by Bolivia on the west and north, Brazil on the northeast, and Argentina on the south and west.
Note: Controlled for many decades by a highly repressive military government. A civilian was elected president in 1993.
Note: Reputed sanctuary for Nazi fugitives.