quincunx

Meanings

1. 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.
2. An angle of five-twelfths of a circle, or 150°, between two objects.
3. A Galton board.
4. A bronze coin minted during the Roman Republic, valued at five-twelfths of an as.

Etymology

Borrowed from Latin quīncunx.