A quincunx (IPA ['kwɪnkʌŋks])'s a geometric pattern consisting of five points, four of them forming a square or rectangle and a fifth at its center. It forms the arrangement of five units in the pattern corresponding to the five-spot on dice, playing cards, or dominoes. Historical origins of the name The quincunx was originally a coin issued by the Roman Republic c.211-200 BC, whose value was five twelfths (quinque + uncia) of an as, the Roman standard bronze coin. On the Roman qu… (More on Quincunx)