What is the meaning of Quincunx?

An arrangement of five units with four forming the corners of a square and the fifth at the centre of the square, a pattern corresponding to the five-spot on dice, playing cards, or dominoes.

An angle of five-twelfths of a circle, or 150°, between two objects.

A Galton board.

A bronze coin minted during the Roman Republic, valued at five-twelfths of an as.

five twelfths

the five on a die

Source: wiktionary.org