noun see: five Date: 1545 an arrangement of five things in a square or rectangle with one at each corner and one in the middle, quincuncial or ~ial adjective
QUINCUNX
Meaning of QUINCUNX in English
Merriam Webster. Explanatory English dictionary Merriam Webster. Толковый словарь английского языка Мерриам-Уэбстер. 2012