It is a design of five points or marks spread over a square drawing (real square) with a dot at each vertex and the last in the center. Represents the '5' on the dice ( 8281; ) or dominoes (127115; 127065; ) . The name is Latin for quincunx, cis, an unofficial ancient Roman coin of 15/12 ace that had that five-point drawing in some versions. See as , tresbolillo , sena .
